This page contains information about which telephone companies the various 0330 numbers are allocated to.
| First Digits | Status | Communications Provider | Change |
|---|---|---|---|
| 0330 000 | Allocated | Net Solutions Europe Limited | 03/2007 |
| 0330 001 | Allocated | Wavecrest (UK) Ltd | 07/2007 |
| 0330 002 | Allocated | DRD Communications Limited | 07/2009 |
| 0330 003 | Allocated | Atlantic Communications Corp Ltd | 09/2008 |
| 0330 004 | Allocated | Hello Telecom (UK) PLC | 04/2009 |
| 0330 005 | Allocated | Odyssey Systems Ltd | 06/2010 |
| 0330 006 | Allocated | Retail Technology Services Ltd | 11/2008 |
| 0330 007 | Allocated | Rhema Telecom | 03/2007 |
| 0330 008 | Allocated | Node4 Ltd. | 09/2010 |
| 0330 009 | Allocated | One Network Limited | 05/2011 |
| 0330 010 | Allocated | Numbergroup Network Ltd | 10/2010 |
| 0330 011 | Allocated | Rojo Trading Limited | 04/2007 |
| 0330 012 | Allocated | Calltracks Limited | 12/2007 |
| 0330 013 | Allocated | TalkTalk Communications Limited | 11/2011 |
| 0330 014 | Allocated | BT | 08/2013 |
| 0330 015 | Allocated | Cloud9 Communications Limited | 11/2012 |
| 0330 016 | Allocated | Tipicall Limited | 12/2012 |
| 0330 017 | Allocated | Calltracks Limited | 05/2014 |
| 0330 018 | Free | - | - |
| 0330 019 | Free | - | - |
| 0330 020 | Allocated | Citrus Telecommunications Ltd | 07/2007 |
| 0330 021 | Free | - | - |
| 0330 022 | Allocated | TelXL Ltd | 04/2007 |
| 0330 023 | Allocated | Internexus Networks Limited | 04/2013 |
| 0330 024 | Allocated | Gamma Telecom Holdings Ltd | 11/2014 |
| 0330 025 | Free | - | - |
| 0330 026 | Allocated | Wavenet UK Ltd | 10/2010 |
| 0330 027 | Allocated | DIDWW Ireland Limited | 04/2014 |
| 0330 028 | Free | - | - |
| 0330 029 | Free | - | - |
| 0330 030 | Allocated | Talk Numbers Ltd | 01/2012 |
| 0330 031 | Free | - | - |
| 0330 032 | Free | - | - |
| 0330 033 | Allocated | TelNG Limited | 03/2007 |
| 0330 034 | Allocated | Syntec Limited | 06/2012 |
| 0330 035 | Free | - | - |
| 0330 036 | Allocated | Aggregated Telecom Ltd | 03/2009 |
| 0330 037 | Free | - | - |
| 0330 038 | Allocated | IOVOX Limited | 04/2014 |
| 0330 039 | Free | - | - |
| 0330 040 | Allocated | Barritel Limited | 04/2007 |
| 0330 041 | Free | - | - |
| 0330 042 | Free | - | - |
| 0330 043 | Free | - | - |
| 0330 044 | Allocated | YAC Ltd | 03/2007 |
| 0330 045 | Allocated | Six Degrees Unified Comms Limited | 03/2007 |
| 0330 046 | Free | - | - |
| 0330 047 | Free | - | - |
| 0330 048 | Free | - | - |
| 0330 049 | Free | - | - |
| 0330 050 | Allocated | Alphatalk Ltd | 10/2009 |
| 0330 051 | Allocated | Stour Marine Limited | 07/2014 |
| 0330 052 | Free | - | - |
| 0330 053 | Free | - | - |
| 0330 054 | Free | - | - |
| 0330 055 | Allocated | Frontier Systems Ltd | 07/2007 |
| 0330 056 | Free | - | - |
| 0330 057 | Free | - | - |
| 0330 058 | Free | - | - |
| 0330 059 | Free | - | - |
| 0330 060 | Allocated | Level 3 Communications UK Limited | 01/2009 |
| 0330 061 | Allocated | HulloMail Limited | 06/2009 |
| 0330 062 | Allocated | HulloMail Limited | 02/2010 |
| 0330 063 | Allocated | HulloMail Limited | 02/2010 |
| 0330 064 | Allocated | HulloMail Limited | 02/2010 |
| 0330 065 | Allocated | HulloMail Limited | 02/2010 |
| 0330 066 | Allocated | Real Time Telecoms Ltd | 05/2007 |
| 0330 067 | Allocated | HulloMail Limited | 02/2010 |
| 0330 068 | Allocated | HulloMail Limited | 02/2010 |
| 0330 069 | Allocated | HulloMail Limited | 02/2010 |
| 0330 070 | Allocated | HulloMail Limited | 02/2010 |
| 0330 071 | Allocated | HulloMail Limited | 02/2010 |
| 0330 072 | Allocated | HulloMail Limited | 02/2010 |
| 0330 073 | Allocated | HulloMail Limited | 02/2010 |
| 0330 074 | Allocated | HulloMail Limited | 02/2010 |
| 0330 075 | Allocated | HulloMail Limited | 02/2010 |
| 0330 076 | Allocated | HulloMail Limited | 02/2010 |
| 0330 077 | Allocated | X-Pilot Limited | 05/2007 |
| 0330 078 | Allocated | HulloMail Limited | 02/2010 |
| 0330 079 | Allocated | HulloMail Limited | 01/2013 |
| 0330 080 | Allocated | (aq) Limited trading as aql | 08/2007 |
| 0330 081 | Allocated | (aq) Limited trading as aql | 09/2007 |
| 0330 082 | Allocated | HulloMail Limited | 01/2013 |
| 0330 083 | Allocated | HulloMail Limited | 01/2013 |
| 0330 084 | Allocated | HulloMail Limited | 01/2013 |
| 0330 085 | Allocated | HulloMail Limited | 01/2013 |
| 0330 086 | Allocated | HulloMail Limited | 01/2013 |
| 0330 087 | Allocated | HulloMail Limited | 01/2013 |
| 0330 088 | Allocated | Magrathea Telecommunications Limited | 03/2007 |
| 0330 089 | Allocated | IP Phone Solutions Ltd | 10/2013 |
| 0330 090 | Allocated | Minotaur Telecom Limited | 03/2010 |
| 0330 091 | Allocated | HulloMail Limited | 01/2013 |
| 0330 092 | Allocated | HulloMail Limited | 01/2013 |
| 0330 093 | Allocated | HulloMail Limited | 01/2013 |
| 0330 094 | Free | - | - |
| 0330 095 | Free | - | - |
| 0330 096 | Free | - | - |
| 0330 097 | Free | - | - |
| 0330 098 | Free | - | - |
| 0330 099 | Allocated | Sigma Voice Solutions Ltd | 12/2007 |
| 0330 100 | Allocated | Vodafone Ltd (Energis) | 03/2007 |
| 0330 101 | Allocated | Content Guru Ltd | 11/2007 |
| 0330 102 | Allocated | Vodafone Ltd (Energis) | 03/2011 |
| 0330 103 | Allocated | Digital Select Limited | 02/2013 |
| 0330 104 | Allocated | Talk.to FZC | 02/2014 |
| 0330 105 | Allocated | Pure-IP Limited | 03/2014 |
| 0330 106 | Free | - | - |
| 0330 107 | Free | - | - |
| 0330 108 | Free | - | - |
| 0330 109 | Free | - | - |
| 0330 110 | Allocated | Colloquium Ltd | 09/2008 |
| 0330 111 | Allocated | Core Telecom Limited | 05/2007 |
| 0330 112 | Allocated | Connexon Telecom Inc | 01/2009 |
| 0330 113 | Free | - | - |
| 0330 114 | Free | - | - |
| 0330 115 | Allocated | Global Telecall Limited | 05/2011 |
| 0330 116 | Free | - | - |
| 0330 117 | Free | - | - |
| 0330 118 | Free | - | - |
| 0330 119 | Allocated | iHub UK Ltd | 04/2009 |
| 0330 120 | Allocated | Sipcentric Ltd | 06/2014 |
| 0330 121 | Allocated | Fluency Communications Ltd | 09/2013 |
| 0330 122 | Allocated | Simwood eSMS Limited | 07/2010 |
| 0330 123 | Allocated | BT | 03/2007 |
| 0330 124 | Allocated | BT | 01/2013 |
| 0330 125 | Free | - | - |
| 0330 126 | Allocated | Square1 Communications Limited | 09/2014 |
| 0330 127 | Free | - | - |
| 0330 128 | Free | - | - |
| 0330 129 | Free | - | - |
| 0330 130 | Allocated | i-Net Communications Group Plc | 07/2012 |
| 0330 131 | Allocated | IPPlus (UK) Limited | 04/2014 |
| 0330 132 | Allocated | Lycatel (Ireland) Limited | 08/2013 |
| 0330 133 | Allocated | Buzz Networks Limited | 02/2012 |
| 0330 134 | Allocated | Affiniti Integrated Solutions Ltd | 06/2014 |
| 0330 135 | Free | - | - |
| 0330 136 | Free | - | - |
| 0330 137 | Free | - | - |
| 0330 138 | Free | - | - |
| 0330 139 | Free | - | - |
| 0330 140 | Allocated | BT | 10/2013 |
| 0330 141 | Allocated | BT | 10/2013 |
| 0330 142 | Allocated | BT | 02/2014 |
| 0330 143 | Allocated | BT | 02/2014 |
| 0330 144 | Reserved | Withheld | - |
| 0330 145 | Reserved | Withheld | - |
| 0330 146 | Reserved | Withheld | - |
| 0330 147 | Reserved | Withheld | - |
| 0330 148 | Reserved | Withheld | - |
| 0330 149 | Reserved | Withheld | - |
| 0330 150 | Allocated | Vodafone Ltd (C&W) | 05/2014 |
| 0330 151 | Allocated | Vodafone Ltd (C&W) | 05/2014 |
| 0330 152 | Allocated | Vodafone Ltd (C&W) | 05/2014 |
| 0330 153 | Allocated | Vodafone Ltd (C&W) | 05/2014 |
| 0330 154 | Allocated | Vodafone Ltd (C&W) | 06/2014 |
| 0330 155 | Allocated | Vodafone Ltd (C&W) | 06/2014 |
| 0330 156 | Allocated | Vodafone Ltd (C&W) | 06/2014 |
| 0330 157 | Allocated | Vodafone Ltd (C&W) | 06/2014 |
| 0330 158 | Allocated | Vodafone Ltd (C&W) | 06/2014 |
| 0330 159 | Allocated | Vodafone Ltd (C&W) | 06/2014 |
| 0330 160 | Allocated | Syntec Limited | 11/2011 |
| 0330 161 | Allocated | Level 3 Communications UK Limited | 03/2014 |
| 0330 162 | Free | - | - |
| 0330 163 | Free | - | - |
| 0330 164 | Free | - | - |
| 0330 165 | Free | - | - |
| 0330 166 | Allocated | Odyssey Systems Ltd | 09/2011 |
| 0330 167 | Free | - | - |
| 0330 168 | Free | - | - |
| 0330 169 | Free | - | - |
| 0330 170 | Free | - | - |
| 0330 171 | Free | - | - |
| 0330 172 | Free | - | - |
| 0330 173 | Free | - | - |
| 0330 174 | Free | - | - |
| 0330 175 | Free | - | - |
| 0330 176 | Free | - | - |
| 0330 177 | Free | - | - |
| 0330 178 | Free | - | - |
| 0330 179 | Free | - | - |
| 0330 180 | Allocated | (aq) Limited trading as aql | 09/2007 |
| 0330 181 | Free | - | - |
| 0330 182 | Free | - | - |
| 0330 183 | Free | - | - |
| 0330 184 | Free | - | - |
| 0330 185 | Free | - | - |
| 0330 186 | Free | - | - |
| 0330 187 | Free | - | - |
| 0330 188 | Allocated | Hannon Telecom Voice | 01/2014 |
| 0330 189 | Free | - | - |
| 0330 190 | Free | - | - |
| 0330 191 | Free | - | - |
| 0330 192 | Free | - | - |
| 0330 193 | Free | - | - |
| 0330 194 | Free | - | - |
| 0330 195 | Free | - | - |
| 0330 196 | Free | - | - |
| 0330 197 | Free | - | - |
| 0330 198 | Free | - | - |
| 0330 199 | Free | - | - |
| 0330 200 | Allocated | Coms.Com Ltd | 07/2007 |
| 0330 201 | Allocated | TeleSurf Limited | 04/2010 |
| 0330 202 | Allocated | VoIP-Un Limited | 11/2007 |
| 0330 203 | Allocated | Red Telecom Solutions Ltd | 08/2014 |
| 0330 204 | Free | - | - |
| 0330 205 | Allocated | NBCN Networks Ltd | 01/2010 |
| 0330 206 | Free | - | - |
| 0330 207 | Free | - | - |
| 0330 208 | Free | - | - |
| 0330 209 | Free | - | - |
| 0330 210 | Allocated | i-Net Communications Group Plc | 05/2014 |
| 0330 211 | Free | - | - |
| 0330 212 | Free | - | - |
| 0330 213 | Free | - | - |
| 0330 214 | Free | - | - |
| 0330 215 | Free | - | - |
| 0330 216 | Free | - | - |
| 0330 217 | Free | - | - |
| 0330 218 | Free | - | - |
| 0330 219 | Free | - | - |
| 0330 220 | Allocated | Net-Work Internet Ltd | 09/2007 |
| 0330 221 | Allocated | Gamma Telecom Holdings Ltd | 05/2012 |
| 0330 222 | Allocated | Gamma Telecom Holdings Ltd | 02/2008 |
| 0330 223 | Allocated | iNet Telecoms Ltd (Voipfone) | 06/2012 |
| 0330 224 | Free | - | - |
| 0330 225 | Free | - | - |
| 0330 226 | Free | - | - |
| 0330 227 | Free | - | - |
| 0330 228 | Free | - | - |
| 0330 229 | Free | - | - |
| 0330 230 | Allocated | Performance Telecom Limited | 08/2012 |
| 0330 231 | Free | - | - |
| 0330 232 | Free | - | - |
| 0330 233 | Allocated | 360CRM Ltd | 07/2012 |
| 0330 234 | Allocated | Ghost Telecom Limited | 04/2012 |
| 0330 235 | Free | - | - |
| 0330 236 | Free | - | - |
| 0330 237 | Free | - | - |
| 0330 238 | Free | - | - |
| 0330 239 | Free | - | - |
| 0330 240 | Free | - | - |
| 0330 241 | Free | - | - |
| 0330 242 | Free | - | - |
| 0330 243 | Free | - | - |
| 0330 244 | Free | - | - |
| 0330 245 | Free | - | - |
| 0330 246 | Free | - | - |
| 0330 247 | Free | - | - |
| 0330 248 | Free | - | - |
| 0330 249 | Free | - | - |
| 0330 250 | Free | - | - |
| 0330 251 | Free | - | - |
| 0330 252 | Free | - | - |
| 0330 253 | Free | - | - |
| 0330 254 | Free | - | - |
| 0330 255 | Free | - | - |
| 0330 256 | Free | - | - |
| 0330 257 | Free | - | - |
| 0330 258 | Free | - | - |
| 0330 259 | Free | - | - |
| 0330 260 | Free | - | - |
| 0330 261 | Free | - | - |
| 0330 262 | Free | - | - |
| 0330 263 | Free | - | - |
| 0330 264 | Free | - | - |
| 0330 265 | Free | - | - |
| 0330 266 | Allocated | Spacetel UK Ltd | 09/2011 |
| 0330 267 | Free | - | - |
| 0330 268 | Free | - | - |
| 0330 269 | Free | - | - |
| 0330 270 | Free | - | - |
| 0330 271 | Free | - | - |
| 0330 272 | Free | - | - |
| 0330 273 | Free | - | - |
| 0330 274 | Free | - | - |
| 0330 275 | Free | - | - |
| 0330 276 | Free | - | - |
| 0330 277 | Free | - | - |
| 0330 278 | Free | - | - |
| 0330 279 | Free | - | - |
| 0330 280 | Free | - | - |
| 0330 281 | Free | - | - |
| 0330 282 | Free | - | - |
| 0330 283 | Free | - | - |
| 0330 284 | Free | - | - |
| 0330 285 | Free | - | - |
| 0330 286 | Free | - | - |
| 0330 287 | Free | - | - |
| 0330 288 | Free | - | - |
| 0330 289 | Free | - | - |
| 0330 290 | Free | - | - |
| 0330 291 | Free | - | - |
| 0330 292 | Free | - | - |
| 0330 293 | Free | - | - |
| 0330 294 | Free | - | - |
| 0330 295 | Free | - | - |
| 0330 296 | Free | - | - |
| 0330 297 | Free | - | - |
| 0330 298 | Free | - | - |
| 0330 299 | Free | - | - |
| 0330 300 | Allocated | Premium O Limited | 03/2007 |
| 0330 301 | Free | - | - |
| 0330 302 | Free | - | - |
| 0330 303 | Allocated | Virgin Media Wholesale Limited | 10/2009 |
| 0330 304 | Free | - | - |
| 0330 305 | Free | - | - |
| 0330 306 | Free | - | - |
| 0330 307 | Free | - | - |
| 0330 308 | Free | - | - |
| 0330 309 | Free | - | - |
| 0330 310 | Allocated | Vodafone Ltd (C&W) | 12/2009 |
| 0330 311 | Free | - | - |
| 0330 312 | Free | - | - |
| 0330 313 | Allocated | Outsourcery Hosting Ltd | 05/2009 |
| 0330 314 | Free | - | - |
| 0330 315 | Free | - | - |
| 0330 316 | Free | - | - |
| 0330 317 | Free | - | - |
| 0330 318 | Free | - | - |
| 0330 319 | Free | - | - |
| 0330 320 | Allocated | Ziron (UK) Ltd | 10/2008 |
| 0330 321 | Allocated | FleXtel Limited | 03/2007 |
| 0330 322 | Free | - | - |
| 0330 323 | Allocated | Need More Time Ltd | 07/2007 |
| 0330 324 | Free | - | - |
| 0330 325 | Free | - | - |
| 0330 326 | Free | - | - |
| 0330 327 | Free | - | - |
| 0330 328 | Allocated | Advanced Voip Solutions Ltd | 07/2013 |
| 0330 329 | Free | - | - |
| 0330 330 | Allocated | Vodafone Ltd (C&W) | 03/2007 |
| 0330 331 | Allocated | Syntec Limited | 03/2009 |
| 0330 332 | Allocated | Vodafone Ltd (Thus) | 11/2008 |
| 0330 333 | Allocated | Affiniti Integrated Solutions Ltd | 03/2007 |
| 0330 334 | Allocated | Vodafone Ltd (C&W) | 01/2011 |
| 0330 335 | Allocated | Synety Limited | 06/2011 |
| 0330 336 | Allocated | Via-Vox Limited | 12/2009 |
| 0330 337 | Allocated | Teledesign Solutions Limited | 07/2012 |
| 0330 338 | Allocated | Tesla Dynamic Ltd | 06/2011 |
| 0330 339 | Allocated | Smashbox Marketing Ltd | 09/2013 |
| 0330 340 | Allocated | TelXL Ltd | 07/2009 |
| 0330 341 | Free | - | - |
| 0330 342 | Free | - | - |
| 0330 343 | Allocated | Virgin Media Wholesale Limited | 02/2014 |
| 0330 344 | Allocated | Voicetec Systems Ltd | 09/2011 |
| 0330 345 | Allocated | TG Support Limited | 05/2007 |
| 0330 346 | Free | - | - |
| 0330 347 | Free | - | - |
| 0330 348 | Free | - | - |
| 0330 349 | Free | - | - |
| 0330 350 | Allocated | Aloha Telecommunications Limited | 08/2011 |
| 0330 351 | Free | - | - |
| 0330 352 | Free | - | - |
| 0330 353 | Allocated | Inclarity Communications Ltd | 01/2013 |
| 0330 354 | Allocated | We Love Communications Limited | 08/2012 |
| 0330 355 | Allocated | Phone Co-Op Numbering Limited | 11/2010 |
| 0330 356 | Free | - | - |
| 0330 357 | Free | - | - |
| 0330 358 | Free | - | - |
| 0330 359 | Free | - | - |
| 0330 360 | Allocated | Aloha Telecommunications Limited | 08/2012 |
| 0330 361 | Free | - | - |
| 0330 362 | Free | - | - |
| 0330 363 | Allocated | Spitfire Network Services Ltd | 01/2009 |
| 0330 364 | Free | - | - |
| 0330 365 | Allocated | Tripudio Limited | 01/2014 |
| 0330 366 | Allocated | Moonshado Inc | 06/2009 |
| 0330 367 | Free | - | - |
| 0330 368 | Free | - | - |
| 0330 369 | Free | - | - |
| 0330 370 | Allocated | Zestel Limited | 02/2013 |
| 0330 371 | Free | - | - |
| 0330 372 | Allocated | Orange | 06/2008 |
| 0330 373 | Allocated | Orange | 06/2008 |
| 0330 374 | Allocated | Orange | 06/2008 |
| 0330 375 | Allocated | Orange | 06/2008 |
| 0330 376 | Allocated | Orange | 06/2008 |
| 0330 377 | Allocated | 24 Seven Communications Ltd | 06/2009 |
| 0330 378 | Allocated | Digitech Solutions Global Limited | 05/2011 |
| 0330 379 | Free | - | - |
| 0330 380 | Allocated | Telappliant Ltd | 03/2014 |
| 0330 381 | Free | - | - |
| 0330 382 | Free | - | - |
| 0330 383 | Free | - | - |
| 0330 384 | Free | - | - |
| 0330 385 | Free | - | - |
| 0330 386 | Free | - | - |
| 0330 387 | Free | - | - |
| 0330 388 | Protected | - | - |
| 0330 389 | Free | - | - |
| 0330 390 | Free | - | - |
| 0330 391 | Free | - | - |
| 0330 392 | Free | - | - |
| 0330 393 | Free | - | - |
| 0330 394 | Free | - | - |
| 0330 395 | Free | - | - |
| 0330 396 | Free | - | - |
| 0330 397 | Free | - | - |
| 0330 398 | Allocated | Square Systems Limited | 06/2014 |
| 0330 399 | Free | - | - |
| 0330 400 | Allocated | i-Net Communications Group Plc | 07/2008 |
| 0330 401 | Free | - | - |
| 0330 402 | Free | - | - |
| 0330 403 | Free | - | - |
| 0330 404 | Allocated | Media Hawk Ltd | 09/2011 |
| 0330 405 | Free | - | - |
| 0330 406 | Free | - | - |
| 0330 407 | Free | - | - |
| 0330 408 | Free | - | - |
| 0330 409 | Free | - | - |
| 0330 410 | Free | - | - |
| 0330 411 | Free | - | - |
| 0330 412 | Free | - | - |
| 0330 413 | Free | - | - |
| 0330 414 | Allocated | Outsourcery Hosting Ltd | 07/2013 |
| 0330 415 | Free | - | - |
| 0330 416 | Free | - | - |
| 0330 417 | Free | - | - |
| 0330 418 | Free | - | - |
| 0330 419 | Free | - | - |
| 0330 420 | Free | - | - |
| 0330 421 | Free | - | - |
| 0330 422 | Free | - | - |
| 0330 423 | Free | - | - |
| 0330 424 | Free | - | - |
| 0330 425 | Free | - | - |
| 0330 426 | Free | - | - |
| 0330 427 | Free | - | - |
| 0330 428 | Free | - | - |
| 0330 429 | Free | - | - |
| 0330 430 | Allocated | York Data Services Ltd | 07/2012 |
| 0330 431 | Free | - | - |
| 0330 432 | Free | - | - |
| 0330 433 | Free | - | - |
| 0330 434 | Free | - | - |
| 0330 435 | Free | - | - |
| 0330 436 | Free | - | - |
| 0330 437 | Free | - | - |
| 0330 438 | Free | - | - |
| 0330 439 | Free | - | - |
| 0330 440 | Allocated | Vodafone Ltd (Thus) | 04/2007 |
| 0330 441 | Allocated | Frontier Systems Ltd | 08/2008 |
| 0330 442 | Free | - | - |
| 0330 443 | Free | - | - |
| 0330 444 | Allocated | QX Telecom Ltd | 11/2007 |
| 0330 445 | Allocated | Suretec Systems Ltd | 05/2010 |
| 0330 446 | Free | - | - |
| 0330 447 | Free | - | - |
| 0330 448 | Free | - | - |
| 0330 449 | Free | - | - |
| 0330 450 | Free | - | - |
| 0330 451 | Free | - | - |
| 0330 452 | Free | - | - |
| 0330 453 | Free | - | - |
| 0330 454 | Allocated | Square Systems Limited | 06/2014 |
| 0330 455 | Free | - | - |
| 0330 456 | Allocated | Six Degrees Unified Comms Limited | 05/2011 |
| 0330 457 | Free | - | - |
| 0330 458 | Free | - | - |
| 0330 459 | Free | - | - |
| 0330 460 | Free | - | - |
| 0330 461 | Free | - | - |
| 0330 462 | Free | - | - |
| 0330 463 | Free | - | - |
| 0330 464 | Free | - | - |
| 0330 465 | Free | - | - |
| 0330 466 | Free | - | - |
| 0330 467 | Free | - | - |
| 0330 468 | Free | - | - |
| 0330 469 | Free | - | - |
| 0330 470 | Free | - | - |
| 0330 471 | Free | - | - |
| 0330 472 | Free | - | - |
| 0330 473 | Free | - | - |
| 0330 474 | Free | - | - |
| 0330 475 | Free | - | - |
| 0330 476 | Free | - | - |
| 0330 477 | Free | - | - |
| 0330 478 | Free | - | - |
| 0330 479 | Free | - | - |
| 0330 480 | Free | - | - |
| 0330 481 | Free | - | - |
| 0330 482 | Free | - | - |
| 0330 483 | Free | - | - |
| 0330 484 | Free | - | - |
| 0330 485 | Free | - | - |
| 0330 486 | Free | - | - |
| 0330 487 | Free | - | - |
| 0330 488 | Free | - | - |
| 0330 489 | Free | - | - |
| 0330 490 | Free | - | - |
| 0330 491 | Free | - | - |
| 0330 492 | Free | - | - |
| 0330 493 | Free | - | - |
| 0330 494 | Free | - | - |
| 0330 495 | Free | - | - |
| 0330 496 | Free | - | - |
| 0330 497 | Free | - | - |
| 0330 498 | Free | - | - |
| 0330 499 | Free | - | - |
| 0330 500 | Allocated | Served Up Limited. | 10/2008 |
| 0330 501 | Free | - | - |
| 0330 502 | Free | - | - |
| 0330 503 | Free | - | - |
| 0330 504 | Free | - | - |
| 0330 505 | Allocated | Square Systems Limited | 11/2008 |
| 0330 506 | Free | - | - |
| 0330 507 | Free | - | - |
| 0330 508 | Free | - | - |
| 0330 509 | Free | - | - |
| 0330 510 | Free | - | - |
| 0330 511 | Free | - | - |
| 0330 512 | Free | - | - |
| 0330 513 | Free | - | - |
| 0330 514 | Free | - | - |
| 0330 515 | Free | - | - |
| 0330 516 | Free | - | - |
| 0330 517 | Free | - | - |
| 0330 518 | Free | - | - |
| 0330 519 | Free | - | - |
| 0330 520 | Free | - | - |
| 0330 521 | Free | - | - |
| 0330 522 | Free | - | - |
| 0330 523 | Free | - | - |
| 0330 524 | Free | - | - |
| 0330 525 | Free | - | - |
| 0330 526 | Free | - | - |
| 0330 527 | Free | - | - |
| 0330 528 | Free | - | - |
| 0330 529 | Free | - | - |
| 0330 530 | Free | - | - |
| 0330 531 | Free | - | - |
| 0330 532 | Free | - | - |
| 0330 533 | Free | - | - |
| 0330 534 | Free | - | - |
| 0330 535 | Free | - | - |
| 0330 536 | Free | - | - |
| 0330 537 | Free | - | - |
| 0330 538 | Free | - | - |
| 0330 539 | Free | - | - |
| 0330 540 | Free | - | - |
| 0330 541 | Free | - | - |
| 0330 542 | Free | - | - |
| 0330 543 | Free | - | - |
| 0330 544 | Free | - | - |
| 0330 545 | Free | - | - |
| 0330 546 | Free | - | - |
| 0330 547 | Free | - | - |
| 0330 548 | Free | - | - |
| 0330 549 | Free | - | - |
| 0330 550 | Allocated | Atomstream Limited | 04/2010 |
| 0330 551 | Free | - | - |
| 0330 552 | Free | - | - |
| 0330 553 | Free | - | - |
| 0330 554 | Free | - | - |
| 0330 555 | Allocated | Windsor Telecom Plc | 07/2007 |
| 0330 556 | Free | - | - |
| 0330 557 | Free | - | - |
| 0330 558 | Free | - | - |
| 0330 559 | Free | - | - |
| 0330 560 | Free | - | - |
| 0330 561 | Free | - | - |
| 0330 562 | Free | - | - |
| 0330 563 | Free | - | - |
| 0330 564 | Free | - | - |
| 0330 565 | Free | - | - |
| 0330 566 | Free | - | - |
| 0330 567 | Free | - | - |
| 0330 568 | Free | - | - |
| 0330 569 | Free | - | - |
| 0330 570 | Free | - | - |
| 0330 571 | Free | - | - |
| 0330 572 | Free | - | - |
| 0330 573 | Free | - | - |
| 0330 574 | Free | - | - |
| 0330 575 | Free | - | - |
| 0330 576 | Free | - | - |
| 0330 577 | Free | - | - |
| 0330 578 | Free | - | - |
| 0330 579 | Free | - | - |
| 0330 580 | Free | - | - |
| 0330 581 | Free | - | - |
| 0330 582 | Free | - | - |
| 0330 583 | Free | - | - |
| 0330 584 | Free | - | - |
| 0330 585 | Free | - | - |
| 0330 586 | Free | - | - |
| 0330 587 | Allocated | Orange Business Holdings UK Limited | 01/2012 |
| 0330 588 | Free | - | - |
| 0330 589 | Free | - | - |
| 0330 590 | Free | - | - |
| 0330 591 | Free | - | - |
| 0330 592 | Free | - | - |
| 0330 593 | Free | - | - |
| 0330 594 | Free | - | - |
| 0330 595 | Free | - | - |
| 0330 596 | Free | - | - |
| 0330 597 | Free | - | - |
| 0330 598 | Free | - | - |
| 0330 599 | Free | - | - |
| 0330 600 | Allocated | Group 3 Technology Limited | 04/2011 |
| 0330 601 | Free | - | - |
| 0330 602 | Free | - | - |
| 0330 603 | Free | - | - |
| 0330 604 | Free | - | - |
| 0330 605 | Free | - | - |
| 0330 606 | Allocated | Citrus Telecommunications Ltd | 12/2011 |
| 0330 607 | Free | - | - |
| 0330 608 | Free | - | - |
| 0330 609 | Free | - | - |
| 0330 610 | Free | - | - |
| 0330 611 | Allocated | Proton Telecom Limited | 08/2008 |
| 0330 612 | Free | - | - |
| 0330 613 | Free | - | - |
| 0330 614 | Free | - | - |
| 0330 615 | Free | - | - |
| 0330 616 | Free | - | - |
| 0330 617 | Free | - | - |
| 0330 618 | Free | - | - |
| 0330 619 | Free | - | - |
| 0330 620 | Free | - | - |
| 0330 621 | Free | - | - |
| 0330 622 | Free | - | - |
| 0330 623 | Free | - | - |
| 0330 624 | Free | - | - |
| 0330 625 | Free | - | - |
| 0330 626 | Free | - | - |
| 0330 627 | Free | - | - |
| 0330 628 | Free | - | - |
| 0330 629 | Free | - | - |
| 0330 630 | Free | - | - |
| 0330 631 | Free | - | - |
| 0330 632 | Free | - | - |
| 0330 633 | Allocated | Telecoms World Direct Ltd | 06/2014 |
| 0330 634 | Free | - | - |
| 0330 635 | Allocated | Alphatalk Ltd | 04/2011 |
| 0330 636 | Free | - | - |
| 0330 637 | Free | - | - |
| 0330 638 | Free | - | - |
| 0330 639 | Free | - | - |
| 0330 640 | Free | - | - |
| 0330 641 | Free | - | - |
| 0330 642 | Free | - | - |
| 0330 643 | Free | - | - |
| 0330 644 | Free | - | - |
| 0330 645 | Free | - | - |
| 0330 646 | Free | - | - |
| 0330 647 | Free | - | - |
| 0330 648 | Free | - | - |
| 0330 649 | Free | - | - |
| 0330 650 | Free | - | - |
| 0330 651 | Free | - | - |
| 0330 652 | Free | - | - |
| 0330 653 | Free | - | - |
| 0330 654 | Allocated | BT | 11/2014 |
| 0330 655 | Free | - | - |
| 0330 656 | Free | - | - |
| 0330 657 | Free | - | - |
| 0330 658 | Free | - | - |
| 0330 659 | Free | - | - |
| 0330 660 | Allocated | Nexus Telecommunications Limited | 12/2008 |
| 0330 661 | Free | - | - |
| 0330 662 | Free | - | - |
| 0330 663 | Free | - | - |
| 0330 664 | Free | - | - |
| 0330 665 | Free | - | - |
| 0330 666 | Allocated | Tuxtel Ltd | 11/2009 |
| 0330 667 | Free | - | - |
| 0330 668 | Free | - | - |
| 0330 669 | Free | - | - |
| 0330 670 | Allocated | BT | 09/2013 |
| 0330 671 | Free | - | - |
| 0330 672 | Free | - | - |
| 0330 673 | Free | - | - |
| 0330 674 | Free | - | - |
| 0330 675 | Free | - | - |
| 0330 676 | Free | - | - |
| 0330 677 | Free | - | - |
| 0330 678 | Free | - | - |
| 0330 679 | Free | - | - |
| 0330 680 | Free | - | - |
| 0330 681 | Free | - | - |
| 0330 682 | Free | - | - |
| 0330 683 | Free | - | - |
| 0330 684 | Allocated | OVH Limited | 06/2008 |
| 0330 685 | Free | - | - |
| 0330 686 | Allocated | UK Broadband Limited | 12/2013 |
| 0330 687 | Free | - | - |
| 0330 688 | Free | - | - |
| 0330 689 | Free | - | - |
| 0330 690 | Free | - | - |
| 0330 691 | Free | - | - |
| 0330 692 | Free | - | - |
| 0330 693 | Free | - | - |
| 0330 694 | Free | - | - |
| 0330 695 | Free | - | - |
| 0330 696 | Free | - | - |
| 0330 697 | Free | - | - |
| 0330 698 | Free | - | - |
| 0330 699 | Free | - | - |
| 0330 700 | Allocated | Swiftnet Ltd | 09/2007 |
| 0330 701 | Free | - | - |
| 0330 702 | Free | - | - |
| 0330 703 | Free | - | - |
| 0330 704 | Free | - | - |
| 0330 705 | Free | - | - |
| 0330 706 | Free | - | - |
| 0330 707 | Allocated | InTouch Communication Services Limited | 07/2012 |
| 0330 708 | Free | - | - |
| 0330 709 | Free | - | - |
| 0330 710 | Free | - | - |
| 0330 711 | Free | - | - |
| 0330 712 | Free | - | - |
| 0330 713 | Free | - | - |
| 0330 714 | Free | - | - |
| 0330 715 | Free | - | - |
| 0330 716 | Free | - | - |
| 0330 717 | Free | - | - |
| 0330 718 | Free | - | - |
| 0330 719 | Free | - | - |
| 0330 720 | Free | - | - |
| 0330 721 | Free | - | - |
| 0330 722 | Free | - | - |
| 0330 723 | Free | - | - |
| 0330 724 | Free | - | - |
| 0330 725 | Free | - | - |
| 0330 726 | Allocated | TeleWare PLC | 10/2009 |
| 0330 727 | Free | - | - |
| 0330 728 | Free | - | - |
| 0330 729 | Free | - | - |
| 0330 730 | Free | - | - |
| 0330 731 | Free | - | - |
| 0330 732 | Free | - | - |
| 0330 733 | Allocated | Vortex Telecom Ltd | 11/2008 |
| 0330 734 | Free | - | - |
| 0330 735 | Free | - | - |
| 0330 736 | Free | - | - |
| 0330 737 | Free | - | - |
| 0330 738 | Free | - | - |
| 0330 739 | Free | - | - |
| 0330 740 | Free | - | - |
| 0330 741 | Free | - | - |
| 0330 742 | Free | - | - |
| 0330 743 | Free | - | - |
| 0330 744 | Free | - | - |
| 0330 745 | Free | - | - |
| 0330 746 | Free | - | - |
| 0330 747 | Free | - | - |
| 0330 748 | Free | - | - |
| 0330 749 | Free | - | - |
| 0330 750 | Free | - | - |
| 0330 751 | Free | - | - |
| 0330 752 | Free | - | - |
| 0330 753 | Free | - | - |
| 0330 754 | Free | - | - |
| 0330 755 | Free | - | - |
| 0330 756 | Free | - | - |
| 0330 757 | Free | - | - |
| 0330 758 | Free | - | - |
| 0330 759 | Free | - | - |
| 0330 760 | Free | - | - |
| 0330 761 | Free | - | - |
| 0330 762 | Free | - | - |
| 0330 763 | Free | - | - |
| 0330 764 | Free | - | - |
| 0330 765 | Free | - | - |
| 0330 766 | Allocated | Recruitment 4U Limited | 06/2012 |
| 0330 767 | Free | - | - |
| 0330 768 | Free | - | - |
| 0330 769 | Free | - | - |
| 0330 770 | Free | - | - |
| 0330 771 | Free | - | - |
| 0330 772 | Free | - | - |
| 0330 773 | Free | - | - |
| 0330 774 | Free | - | - |
| 0330 775 | Free | - | - |
| 0330 776 | Free | - | - |
| 0330 777 | Allocated | Eircom UK Ltd | 06/2007 |
| 0330 778 | Free | - | - |
| 0330 779 | Free | - | - |
| 0330 780 | Free | - | - |
| 0330 781 | Free | - | - |
| 0330 782 | Free | - | - |
| 0330 783 | Free | - | - |
| 0330 784 | Free | - | - |
| 0330 785 | Free | - | - |
| 0330 786 | Free | - | - |
| 0330 787 | Free | - | - |
| 0330 788 | Allocated | TeleMagic Ltd | 07/2013 |
| 0330 789 | Free | - | - |
| 0330 790 | Free | - | - |
| 0330 791 | Free | - | - |
| 0330 792 | Free | - | - |
| 0330 793 | Free | - | - |
| 0330 794 | Free | - | - |
| 0330 795 | Free | - | - |
| 0330 796 | Free | - | - |
| 0330 797 | Free | - | - |
| 0330 798 | Free | - | - |
| 0330 799 | Free | - | - |
| 0330 800 | Free | - | - |
| 0330 801 | Free | - | - |
| 0330 802 | Free | - | - |
| 0330 803 | Free | - | - |
| 0330 804 | Free | - | - |
| 0330 805 | Free | - | - |
| 0330 806 | Free | - | - |
| 0330 807 | Free | - | - |
| 0330 808 | Allocated | Voxbone SA | 01/2008 |
| 0330 809 | Free | - | - |
| 0330 810 | Free | - | - |
| 0330 811 | Free | - | - |
| 0330 812 | Free | - | - |
| 0330 813 | Free | - | - |
| 0330 814 | Free | - | - |
| 0330 815 | Free | - | - |
| 0330 816 | Free | - | - |
| 0330 817 | Free | - | - |
| 0330 818 | Allocated | Voxbone SA | 03/2011 |
| 0330 819 | Free | - | - |
| 0330 820 | Free | - | - |
| 0330 821 | Free | - | - |
| 0330 822 | Allocated | Voxbone SA | 01/2013 |
| 0330 823 | Free | - | - |
| 0330 824 | Free | - | - |
| 0330 825 | Free | - | - |
| 0330 826 | Free | - | - |
| 0330 827 | Free | - | - |
| 0330 828 | Allocated | Voxbone SA | 09/2011 |
| 0330 829 | Free | - | - |
| 0330 830 | Free | - | - |
| 0330 831 | Free | - | - |
| 0330 832 | Free | - | - |
| 0330 833 | Free | - | - |
| 0330 834 | Free | - | - |
| 0330 835 | Free | - | - |
| 0330 836 | Free | - | - |
| 0330 837 | Free | - | - |
| 0330 838 | Free | - | - |
| 0330 839 | Free | - | - |
| 0330 840 | Free | - | - |
| 0330 841 | Free | - | - |
| 0330 842 | Free | - | - |
| 0330 843 | Free | - | - |
| 0330 844 | Free | - | - |
| 0330 845 | Free | - | - |
| 0330 846 | Free | - | - |
| 0330 847 | Free | - | - |
| 0330 848 | Free | - | - |
| 0330 849 | Free | - | - |
| 0330 850 | Free | - | - |
| 0330 851 | Free | - | - |
| 0330 852 | Allocated | Network Rail Infrastructure Limited | 09/2014 |
| 0330 853 | Allocated | Network Rail Infrastructure Limited | 09/2014 |
| 0330 854 | Allocated | Level 3 Communications Ltd | 03/2014 |
| 0330 855 | Allocated | Network Rail Infrastructure Limited | 09/2014 |
| 0330 856 | Allocated | Network Rail Infrastructure Limited | 09/2014 |
| 0330 857 | Allocated | Network Rail Infrastructure Limited | 09/2014 |
| 0330 858 | Allocated | Network Rail Infrastructure Limited | 09/2014 |
| 0330 859 | Allocated | Network Rail Infrastructure Limited | 09/2014 |
| 0330 860 | Free | - | - |
| 0330 861 | Free | - | - |
| 0330 862 | Free | - | - |
| 0330 863 | Free | - | - |
| 0330 864 | Free | - | - |
| 0330 865 | Free | - | - |
| 0330 866 | Free | - | - |
| 0330 867 | Free | - | - |
| 0330 868 | Free | - | - |
| 0330 869 | Free | - | - |
| 0330 870 | Free | - | - |
| 0330 871 | Free | - | - |
| 0330 872 | Free | - | - |
| 0330 873 | Free | - | - |
| 0330 874 | Free | - | - |
| 0330 875 | Free | - | - |
| 0330 876 | Free | - | - |
| 0330 877 | Allocated | Supreme Connect Limited | 12/2011 |
| 0330 878 | Free | - | - |
| 0330 879 | Free | - | - |
| 0330 880 | Allocated | Mi Telecom Limited | 06/2010 |
| 0330 881 | Free | - | - |
| 0330 882 | Free | - | - |
| 0330 883 | Free | - | - |
| 0330 884 | Free | - | - |
| 0330 885 | Free | - | - |
| 0330 886 | Free | - | - |
| 0330 887 | Free | - | - |
| 0330 888 | Allocated | Connect Telecom UK Ltd | 07/2007 |
| 0330 889 | Free | - | - |
| 0330 890 | Free | - | - |
| 0330 891 | Free | - | - |
| 0330 892 | Free | - | - |
| 0330 893 | Free | - | - |
| 0330 894 | Free | - | - |
| 0330 895 | Free | - | - |
| 0330 896 | Free | - | - |
| 0330 897 | Free | - | - |
| 0330 898 | Free | - | - |
| 0330 899 | Free | - | - |
| 0330 900 | Allocated | Windsor Telecom Plc | 11/2010 |
| 0330 901 | Free | - | - |
| 0330 902 | Free | - | - |
| 0330 903 | Free | - | - |
| 0330 904 | Free | - | - |
| 0330 905 | Free | - | - |
| 0330 906 | Free | - | - |
| 0330 907 | Free | - | - |
| 0330 908 | Free | - | - |
| 0330 909 | Free | - | - |
| 0330 910 | Free | - | - |
| 0330 911 | Free | - | - |
| 0330 912 | Free | - | - |
| 0330 913 | Free | - | - |
| 0330 914 | Free | - | - |
| 0330 915 | Free | - | - |
| 0330 916 | Free | - | - |
| 0330 917 | Free | - | - |
| 0330 918 | Free | - | - |
| 0330 919 | Free | - | - |
| 0330 920 | Free | - | - |
| 0330 921 | Free | - | - |
| 0330 922 | Free | - | - |
| 0330 923 | Free | - | - |
| 0330 924 | Free | - | - |
| 0330 925 | Free | - | - |
| 0330 926 | Free | - | - |
| 0330 927 | Free | - | - |
| 0330 928 | Free | - | - |
| 0330 929 | Free | - | - |
| 0330 930 | Free | - | - |
| 0330 931 | Free | - | - |
| 0330 932 | Free | - | - |
| 0330 933 | Free | - | - |
| 0330 934 | Free | - | - |
| 0330 935 | Free | - | - |
| 0330 936 | Free | - | - |
| 0330 937 | Free | - | - |
| 0330 938 | Free | - | - |
| 0330 939 | Free | - | - |
| 0330 940 | Free | - | - |
| 0330 941 | Free | - | - |
| 0330 942 | Free | - | - |
| 0330 943 | Free | - | - |
| 0330 944 | Free | - | - |
| 0330 945 | Free | - | - |
| 0330 946 | Free | - | - |
| 0330 947 | Free | - | - |
| 0330 948 | Free | - | - |
| 0330 949 | Free | - | - |
| 0330 950 | Free | - | - |
| 0330 951 | Free | - | - |
| 0330 952 | Free | - | - |
| 0330 953 | Free | - | - |
| 0330 954 | Free | - | - |
| 0330 955 | Free | - | - |
| 0330 956 | Free | - | - |
| 0330 957 | Free | - | - |
| 0330 958 | Free | - | - |
| 0330 959 | Free | - | - |
| 0330 960 | Free | - | - |
| 0330 961 | Free | - | - |
| 0330 962 | Free | - | - |
| 0330 963 | Free | - | - |
| 0330 964 | Free | - | - |
| 0330 965 | Free | - | - |
| 0330 966 | Free | - | - |
| 0330 967 | Free | - | - |
| 0330 968 | Free | - | - |
| 0330 969 | Free | - | - |
| 0330 970 | Free | - | - |
| 0330 971 | Free | - | - |
| 0330 972 | Free | - | - |
| 0330 973 | Free | - | - |
| 0330 974 | Free | - | - |
| 0330 975 | Free | - | - |
| 0330 976 | Free | - | - |
| 0330 977 | Allocated | Twelve Telecom Limited | 04/2013 |
| 0330 978 | Free | - | - |
| 0330 979 | Free | - | - |
| 0330 980 | Free | - | - |
| 0330 981 | Free | - | - |
| 0330 982 | Free | - | - |
| 0330 983 | Free | - | - |
| 0330 984 | Free | - | - |
| 0330 985 | Free | - | - |
| 0330 986 | Free | - | - |
| 0330 987 | Free | - | - |
| 0330 988 | Free | - | - |
| 0330 989 | Free | - | - |
| 0330 990 | Allocated | TelecomIQ Limited | 09/2013 |
| 0330 991 | Free | - | - |
| 0330 992 | Free | - | - |
| 0330 993 | Allocated | Nowtel Wholesale Limited | 02/2013 |
| 0330 994 | Free | - | - |
| 0330 995 | Allocated | Metronet (UK) Limited | 10/2014 |
| 0330 996 | Free | - | - |
| 0330 997 | Free | - | - |
| 0330 998 | Allocated | Citrus Telecommunications Ltd | 11/2013 |
| 0330 999 | Allocated | Number Solutions Ltd | 04/2007 |