This page contains information about which telephone companies the various 03713 numbers are allocated to.
| First Digits | Status | Communications Provider | Change |
|---|---|---|---|
| 0371 300 | Allocated | 4D Interactive Ltd | 06/2007 |
| 0371 301 | Protected | - | - |
| 0371 302 | Allocated | Invomo Ltd | 01/2008 |
| 0371 303 | Protected | - | - |
| 0371 304 | Protected | - | - |
| 0371 305 | Protected | - | - |
| 0371 306 | Protected | - | - |
| 0371 307 | Protected | - | - |
| 0371 308 | Protected | - | - |
| 0371 309 | Protected | - | - |
| 0371 310 | Allocated | Vodafone Ltd (Thus) | 07/2007 |
| 0371 311 | Allocated | Barritec Limited | 12/2010 |
| 0371 312 | Protected | - | - |
| 0371 313 | Protected | - | - |
| 0371 314 | Allocated | Daisy Communications Ltd | 04/2014 |
| 0371 315 | Allocated | FleXtel Limited | 04/2007 |
| 0371 316 | Protected | - | - |
| 0371 317 | Protected | - | - |
| 0371 318 | Protected | - | - |
| 0371 319 | Protected | - | - |
| 0371 320 | Allocated | Gamma Telecom Holdings Ltd | 06/2012 |
| 0371 321 | Allocated | Six Degrees Unified Comms Limited | 07/2014 |
| 0371 322 | Protected | - | - |
| 0371 323 | Protected | - | - |
| 0371 324 | Protected | - | - |
| 0371 325 | Protected | - | - |
| 0371 326 | Allocated | 24 Seven Communications Ltd | 07/2012 |
| 0371 327 | Allocated | TelXL Ltd | 04/2014 |
| 0371 328 | Protected | - | - |
| 0371 329 | Protected | - | - |
| 0371 330 | Allocated | TalkTalk Communications Limited | 07/2008 |
| 0371 331 | Protected | - | - |
| 0371 332 | Allocated | Gamma Telecom Holdings Ltd | 06/2012 |
| 0371 333 | Protected | - | - |
| 0371 334 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0371 335 | Protected | - | - |
| 0371 336 | Allocated | Vodafone Ltd (Thus) | 07/2007 |
| 0371 337 | Protected | - | - |
| 0371 338 | Protected | - | - |
| 0371 339 | Protected | - | - |
| 0371 340 | Protected | - | - |
| 0371 341 | Allocated | TalkTalk Communications Limited | 04/2014 |
| 0371 342 | Protected | - | - |
| 0371 343 | Protected | - | - |
| 0371 344 | Allocated | Edge Telecom Limited | 09/2007 |
| 0371 345 | Protected | - | - |
| 0371 346 | Allocated | Core Telecom Limited | 02/2014 |
| 0371 347 | Allocated | Danemere Street Creative | 07/2009 |
| 0371 348 | Protected | - | - |
| 0371 349 | Protected | - | - |
| 0371 350 | Protected | - | - |
| 0371 351 | Allocated | BT | 07/2008 |
| 0371 352 | Protected | - | - |
| 0371 353 | Protected | - | - |
| 0371 354 | Protected | - | - |
| 0371 355 | Protected | - | - |
| 0371 356 | Allocated | TalkTalk Communications Limited | 04/2014 |
| 0371 357 | Protected | - | - |
| 0371 358 | Protected | - | - |
| 0371 359 | Protected | - | - |
| 0371 360 | Allocated | Virgin Media Limited | 03/2012 |
| 0371 361 | Protected | - | - |
| 0371 362 | Allocated | Vodafone Ltd (C&W) | 03/2010 |
| 0371 363 | Protected | - | - |
| 0371 364 | Allocated | Barritec Limited | 12/2010 |
| 0371 365 | Allocated | Syntec Limited | 06/2007 |
| 0371 366 | Protected | - | - |
| 0371 367 | Protected | - | - |
| 0371 368 | Protected | - | - |
| 0371 369 | Protected | - | - |
| 0371 370 | Allocated | Barritec Limited | 12/2010 |
| 0371 371 | Protected | - | - |
| 0371 372 | Allocated | Vodafone Ltd (C&W) | 03/2010 |
| 0371 373 | Protected | - | - |
| 0371 374 | Protected | - | - |
| 0371 375 | Allocated | Syntec Limited | 06/2007 |
| 0371 376 | Allocated | BT | 07/2008 |
| 0371 377 | Protected | - | - |
| 0371 378 | Protected | - | - |
| 0371 379 | Protected | - | - |
| 0371 380 | Protected | - | - |
| 0371 381 | Protected | - | - |
| 0371 382 | Protected | - | - |
| 0371 383 | Allocated | Syntec Limited | 06/2007 |
| 0371 384 | Allocated | BT | 07/2008 |
| 0371 385 | Protected | - | - |
| 0371 386 | Allocated | Vodafone Ltd (Energis) | 04/2007 |
| 0371 387 | Protected | - | - |
| 0371 388 | Protected | - | - |
| 0371 389 | Protected | - | - |
| 0371 390 | Protected | - | - |
| 0371 391 | Allocated | Vodafone Ltd (Thus) | 01/2012 |
| 0371 392 | Protected | - | - |
| 0371 393 | Protected | - | - |
| 0371 394 | Allocated | 24 Seven Communications Ltd | 07/2012 |
| 0371 395 | Allocated | TTNC Limited | 04/2007 |
| 0371 396 | Protected | - | - |
| 0371 397 | Allocated | Virgin Media Wholesale Limited | 03/2012 |
| 0371 398 | Protected | - | - |
| 0371 399 | Allocated | Six Degrees Unified Comms Limited | 07/2014 |