Code allocations for the 01851 STD code

Summary

  • Status
    • Free for National Dialling Only: 20
    • Allocated: 142
    • Free: 9
    • Protected: 388
  • Operators : 78
  • Latest change : June 2009
Click here for Status definitions
Have you received a call from a number beginning 01851? Get information on a full number beginning 01851, using our full UK number search.
Find out about the location and calling costs for 01851 numbers on our 01851 code page.

This page contains information about which telephone companies the various 01851 numbers are allocated to.

First Digits Status Communications Provider Number Length Notes Change
01851 00 Free for National Dialling Only - (0)+10 - -
01851 01 Free for National Dialling Only - (0)+10 - -
01851 02 Free for National Dialling Only - (0)+10 - -
01851 03 Free for National Dialling Only - (0)+10 - -
01851 04 Free for National Dialling Only - (0)+10 - -
01851 05 Free for National Dialling Only - (0)+10 - -
01851 06 Free for National Dialling Only - (0)+10 - -
01851 07 Free for National Dialling Only - (0)+10 - -
01851 08 Free for National Dialling Only - (0)+10 - -
01851 09 Free for National Dialling Only - (0)+10 - -
01851 10 Free for National Dialling Only - (0)+10 - -
01851 11 Free for National Dialling Only - (0)+10 - -
01851 12 Free for National Dialling Only - (0)+10 - -
01851 13 Free for National Dialling Only - (0)+10 - -
01851 14 Free for National Dialling Only - (0)+10 - -
01851 15 Free for National Dialling Only - (0)+10 - -
01851 16 Free for National Dialling Only - (0)+10 - -
01851 17 Free for National Dialling Only - (0)+10 - -
01851 18 Free for National Dialling Only - (0)+10 - -
01851 19 Free for National Dialling Only - (0)+10 - -
01851 200 Allocated Linear Telecoms Limited 4+6 - 18/10/2010
01851 201 Allocated Radius Communications Limited 4+6 - 09/01/2014
01851 202 Allocated iHub UK Ltd 4+6 - 22/08/2013
01851 203 Allocated British Sky Broadcasting Limited 4+6 - 27/10/2014
01851 204 Free - 4+6 - -
01851 205 Free - 4+6 - -
01851 206 Free - 4+6 - -
01851 207 Free - 4+6 - -
01851 208 Free - 4+6 - -
01851 209 Free - 4+6 - -
01851 210 Allocated Inclarity Communications Ltd 4+6 - 12/05/2006
01851 211 Allocated Inclarity Communications Ltd 4+6 - 12/05/2006
01851 212 Allocated Inclarity Communications Ltd 4+6 - 12/05/2006
01851 213 Protected - 4+6 - -
01851 214 Protected - 4+6 - -
01851 215 Allocated Inclarity Communications Ltd 4+6 - 12/05/2006
01851 216 Protected - 4+6 - -
01851 217 Protected - 4+6 - -
01851 218 Protected - 4+6 - -
01851 219 Protected - 4+6 - -
01851 220 Protected - 4+6 - -
01851 221 Protected - 4+6 - -
01851 222 Protected - 4+6 - -
01851 223 Protected - 4+6 - -
01851 224 Protected - 4+6 - -
01851 225 Protected - 4+6 - -
01851 226 Protected - 4+6 - -
01851 227 Protected - 4+6 - -
01851 228 Protected - 4+6 - -
01851 229 Protected - 4+6 - -
01851 23 Allocated Barritel Limited 4+6 F-Digit '2' 02/10/2006
01851 24 Allocated TTNC Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9' 02/11/2006
01851 250 Allocated Digitech Solutions Global Limited 4+6 - 09/09/2010
01851 251 Protected - 4+6 - -
01851 252 Protected - 4+6 - -
01851 253 Protected - 4+6 - -
01851 254 Protected - 4+6 - -
01851 255 Protected - 4+6 - -
01851 256 Protected - 4+6 - -
01851 257 Protected - 4+6 - -
01851 258 Protected - 4+6 - -
01851 259 Protected - 4+6 - -
01851 26 Allocated TelNG Limited 4+6 F-Digit '2' 01/03/2007
01851 270 Protected - 4+6 - -
01851 271 Protected - 4+6 - -
01851 272 Protected - 4+6 - -
01851 273 Protected - 4+6 - -
01851 274 Protected - 4+6 - -
01851 275 Protected - 4+6 - -
01851 276 Protected - 4+6 - -
01851 277 Allocated Spitfire Network Services Ltd 4+6 - 11/11/2011
01851 278 Protected - 4+6 - -
01851 279 Protected - 4+6 - -
01851 280 Allocated Frontier Systems Ltd 4+6 - 27/09/2007
01851 281 Allocated Frontier Systems Ltd 4+6 - 27/09/2007
01851 282 Allocated (aq) Limited trading as aql 4+6 - 03/10/2007
01851 283 Allocated Telephony Services Limited 4+6 - 03/01/2008
01851 284 Allocated Premium O Limited 4+6 - 11/02/2008
01851 285 Allocated InTechnology Plc 4+6 - 27/02/2008
01851 286 Allocated Telecom2 Ltd 4+6 - 10/09/2009
01851 287 Allocated 3C Limited 4+6 - 20/10/2008
01851 288 Allocated TalkTalk Communications Limited 4+6 - 04/10/2007
01851 289 Allocated Telecoms World Plc 4+6 - 25/06/2009
01851 29 Allocated Syntec Limited 4+6 F-Digit '2' 09/02/2006
01851 300 Allocated Mars Communications Limited 4+6 - 12/02/2009
01851 301 Allocated CFL Communications Limited 4+6 - 17/07/2009
01851 302 Allocated Solutios Limited 4+6 - 26/11/2008
01851 303 Allocated IPV6 Limited 4+6 - 13/02/2009
01851 304 Allocated Nexus Telecommunications Limited 4+6 - 01/10/2009
01851 305 Allocated Invomo Ltd 4+6 - 22/12/2009
01851 306 Allocated Atomstream Limited 4+6 - 12/04/2010
01851 307 Allocated Gamma Telecom Holdings Ltd 4+6 - 14/05/2009
01851 308 Allocated Known Communications Limited 4+6 - 18/09/2009
01851 309 Protected - 4+6 - -
01851 310 Protected - 4+6 - -
01851 311 Protected - 4+6 - -
01851 312 Protected - 4+6 - -
01851 313 Protected - 4+6 - -
01851 314 Protected - 4+6 - -
01851 315 Protected - 4+6 - -
01851 316 Protected - 4+6 - -
01851 317 Protected - 4+6 - -
01851 318 Protected - 4+6 - -
01851 319 Protected - 4+6 - -
01851 320 Protected - 4+6 - -
01851 321 Protected - 4+6 - -
01851 322 Protected - 4+6 - -
01851 323 Protected - 4+6 - -
01851 324 Protected - 4+6 - -
01851 325 Protected - 4+6 - -
01851 326 Protected - 4+6 - -
01851 327 Protected - 4+6 - -
01851 328 Protected - 4+6 - -
01851 329 Protected - 4+6 - -
01851 330 Protected - 4+6 - -
01851 331 Protected - 4+6 - -
01851 332 Protected - 4+6 - -
01851 333 Protected - 4+6 - -
01851 334 Protected - 4+6 - -
01851 335 Protected - 4+6 - -
01851 336 Protected - 4+6 - -
01851 337 Protected - 4+6 - -
01851 338 Protected - 4+6 - -
01851 339 Protected - 4+6 - -
01851 340 Protected - 4+6 - -
01851 341 Protected - 4+6 - -
01851 342 Protected - 4+6 - -
01851 343 Protected - 4+6 - -
01851 344 Protected - 4+6 - -
01851 345 Protected - 4+6 - -
01851 346 Protected - 4+6 - -
01851 347 Protected - 4+6 - -
01851 348 Protected - 4+6 - -
01851 349 Protected - 4+6 - -
01851 350 Protected - 4+6 - -
01851 351 Protected - 4+6 - -
01851 352 Protected - 4+6 - -
01851 353 Protected - 4+6 - -
01851 354 Protected - 4+6 - -
01851 355 Protected - 4+6 - -
01851 356 Protected - 4+6 - -
01851 357 Protected - 4+6 - -
01851 358 Protected - 4+6 - -
01851 359 Protected - 4+6 - -
01851 360 Protected - 4+6 - -
01851 361 Protected - 4+6 - -
01851 362 Protected - 4+6 - -
01851 363 Protected - 4+6 - -
01851 364 Protected - 4+6 - -
01851 365 Protected - 4+6 - -
01851 366 Protected - 4+6 - -
01851 367 Protected - 4+6 - -
01851 368 Protected - 4+6 - -
01851 369 Protected - 4+6 - -
01851 370 Protected - 4+6 - -
01851 371 Protected - 4+6 - -
01851 372 Protected - 4+6 - -
01851 373 Protected - 4+6 - -
01851 374 Protected - 4+6 - -
01851 375 Protected - 4+6 - -
01851 376 Protected - 4+6 - -
01851 377 Protected - 4+6 - -
01851 378 Protected - 4+6 - -
01851 379 Protected - 4+6 - -
01851 380 Protected - 4+6 - -
01851 381 Protected - 4+6 - -
01851 382 Protected - 4+6 - -
01851 383 Protected - 4+6 - -
01851 384 Protected - 4+6 - -
01851 385 Protected - 4+6 - -
01851 386 Protected - 4+6 - -
01851 387 Protected - 4+6 - -
01851 388 Protected - 4+6 - -
01851 389 Protected - 4+6 - -
01851 390 Protected - 4+6 - -
01851 391 Protected - 4+6 - -
01851 392 Protected - 4+6 - -
01851 393 Protected - 4+6 - -
01851 394 Protected - 4+6 - -
01851 395 Protected - 4+6 - -
01851 396 Protected - 4+6 - -
01851 397 Protected - 4+6 - -
01851 398 Protected - 4+6 - -
01851 399 Protected - 4+6 - -
01851 40 Allocated TTNC Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9' 02/11/2006
01851 410 Protected - 4+6 - -
01851 411 Protected - 4+6 - -
01851 412 Protected - 4+6 - -
01851 413 Protected - 4+6 - -
01851 414 Protected - 4+6 - -
01851 415 Protected - 4+6 - -
01851 416 Protected - 4+6 - -
01851 417 Allocated Spitfire Network Services Ltd 4+6 - 21/07/2011
01851 418 Protected - 4+6 - -
01851 419 Protected - 4+6 - -
01851 420 Protected - 4+6 - -
01851 421 Protected - 4+6 - -
01851 422 Protected - 4+6 - -
01851 423 Protected - 4+6 - -
01851 424 Protected - 4+6 - -
01851 425 Protected - 4+6 - -
01851 426 Protected - 4+6 - -
01851 427 Protected - 4+6 - -
01851 428 Protected - 4+6 - -
01851 429 Protected - 4+6 - -
01851 43 Allocated TelNG Limited 4+6 F-Digit '2' 01/03/2007
01851 440 Allocated Localphone Limited 4+6 - 23/05/2007
01851 441 Allocated TalkTalk Communications Limited 4+6 - 04/10/2007
01851 442 Allocated Teledesign Ltd 4+6 - 08/10/2007
01851 443 Allocated VoIP-Un Limited 4+6 - 09/11/2007
01851 444 Allocated Net-Work Internet Ltd 4+6 - 08/10/2007
01851 445 Allocated Timico Limited 4+6 - 23/05/2008
01851 446 Allocated Telecom2 Ltd 4+6 - 10/09/2009
01851 447 Allocated 3C Limited 4+6 - 20/10/2008
01851 448 Allocated Voxbone SA 4+6 - 26/09/2008
01851 449 Allocated Served Up Limited. 4+6 - 23/10/2008
01851 450 Allocated Andrews & Arnold (Numbers) Ltd 4+6 - 02/04/2009
01851 451 Allocated Mundio Mobile Limited 4+6 - 30/06/2009
01851 452 Allocated Solutios Limited 4+6 - 26/11/2008
01851 453 Allocated Danemere Street Creative 4+6 - 21/07/2009
01851 454 Allocated Atomstream Limited 4+6 - 12/04/2010
01851 455 Allocated Suretec Systems Ltd 4+6 - 13/05/2010
01851 456 Free - 4+6 - -
01851 457 Allocated VoiceHost Limited 4+6 - 06/10/2010
01851 458 Allocated Telephone Box Limited 4+6 - 10/12/2010
01851 459 Allocated Globecom International Limited 4+6 - 05/01/2011
01851 460 Allocated Nexbridge Communications Limited 4+6 - 17/03/2011
01851 461 Free - 4+6 - -
01851 462 Allocated Barritel Limited 4+6 - 03/08/2011
01851 463 Allocated Barritec Limited 4+6 - 23/09/2011
01851 464 Allocated TalkTalk Communications Limited 4+6 - 04/10/2011
01851 465 Allocated Internexus Networks Limited 4+6 - 22/11/2011
01851 466 Allocated Hello Telecom (UK) PLC 4+6 - 24/11/2011
01851 467 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 21/10/2011
01851 468 Allocated ICC Networks Ltd 4+6 - 17/04/2012
01851 469 Allocated API Telecom Limited 4+6 - 18/04/2012
01851 470 Allocated Ziron (UK) Ltd 4+6 - 01/08/2012
01851 471 Allocated i-Net Communications Group Plc 4+6 - 05/07/2013
01851 472 Allocated Kalnet4u Ltd 4+6 - 03/06/2013
01851 473 Allocated iHub UK Ltd 4+6 - 22/08/2013
01851 474 Allocated Invoco Ltd 4+6 - 22/05/2012
01851 475 Allocated Minotaur Telecom Limited 4+6 - 05/02/2013
01851 476 Allocated IOVOX Limited 4+6 - 04/07/2012
01851 477 Allocated We Love Communications Limited 4+6 - 06/08/2012
01851 478 Allocated Simwood eSMS Limited 4+6 - 05/04/2013
01851 479 Allocated Content Guru Ltd 4+6 - 11/10/2012
01851 480 Protected - 4+6 - -
01851 481 Protected - 4+6 - -
01851 482 Protected - 4+6 - -
01851 483 Protected - 4+6 - -
01851 484 Protected - 4+6 - -
01851 485 Protected - 4+6 - -
01851 486 Protected - 4+6 - -
01851 487 Protected - 4+6 - -
01851 488 Protected - 4+6 - -
01851 489 Protected - 4+6 - -
01851 490 Protected - 4+6 - -
01851 491 Protected - 4+6 - -
01851 492 Protected - 4+6 - -
01851 493 Protected - 4+6 - -
01851 494 Protected - 4+6 - -
01851 495 Protected - 4+6 - -
01851 496 Protected - 4+6 - -
01851 497 Protected - 4+6 - -
01851 498 Protected - 4+6 - -
01851 499 Protected - 4+6 - -
01851 500 Protected - 4+6 - -
01851 501 Protected - 4+6 - -
01851 502 Protected - 4+6 - -
01851 503 Protected - 4+6 - -
01851 504 Protected - 4+6 - -
01851 505 Protected - 4+6 - -
01851 506 Protected - 4+6 - -
01851 507 Protected - 4+6 - -
01851 508 Protected - 4+6 - -
01851 509 Protected - 4+6 - -
01851 510 Protected - 4+6 - -
01851 511 Protected - 4+6 - -
01851 512 Protected - 4+6 - -
01851 513 Protected - 4+6 - -
01851 514 Protected - 4+6 - -
01851 515 Protected - 4+6 - -
01851 516 Protected - 4+6 - -
01851 517 Protected - 4+6 - -
01851 518 Protected - 4+6 - -
01851 519 Protected - 4+6 - -
01851 520 Protected - 4+6 - -
01851 521 Protected - 4+6 - -
01851 522 Protected - 4+6 - -
01851 523 Protected - 4+6 - -
01851 524 Protected - 4+6 - -
01851 525 Protected - 4+6 - -
01851 526 Protected - 4+6 - -
01851 527 Protected - 4+6 - -
01851 528 Protected - 4+6 - -
01851 529 Protected - 4+6 - -
01851 530 Protected - 4+6 - -
01851 531 Protected - 4+6 - -
01851 532 Protected - 4+6 - -
01851 533 Protected - 4+6 - -
01851 534 Protected - 4+6 - -
01851 535 Protected - 4+6 - -
01851 536 Protected - 4+6 - -
01851 537 Protected - 4+6 - -
01851 538 Protected - 4+6 - -
01851 539 Protected - 4+6 - -
01851 540 Protected - 4+6 - -
01851 541 Protected - 4+6 - -
01851 542 Protected - 4+6 - -
01851 543 Protected - 4+6 - -
01851 544 Protected - 4+6 - -
01851 545 Protected - 4+6 - -
01851 546 Protected - 4+6 - -
01851 547 Protected - 4+6 - -
01851 548 Protected - 4+6 - -
01851 549 Protected - 4+6 - -
01851 550 Protected - 4+6 - -
01851 551 Protected - 4+6 - -
01851 552 Protected - 4+6 - -
01851 553 Protected - 4+6 - -
01851 554 Protected - 4+6 - -
01851 555 Protected - 4+6 - -
01851 556 Protected - 4+6 - -
01851 557 Protected - 4+6 - -
01851 558 Protected - 4+6 - -
01851 559 Protected - 4+6 - -
01851 560 Protected - 4+6 - -
01851 561 Protected - 4+6 - -
01851 562 Protected - 4+6 - -
01851 563 Protected - 4+6 - -
01851 564 Protected - 4+6 - -
01851 565 Protected - 4+6 - -
01851 566 Protected - 4+6 - -
01851 567 Protected - 4+6 - -
01851 568 Protected - 4+6 - -
01851 569 Protected - 4+6 - -
01851 570 Protected - 4+6 - -
01851 571 Protected - 4+6 - -
01851 572 Protected - 4+6 - -
01851 573 Protected - 4+6 - -
01851 574 Protected - 4+6 - -
01851 575 Protected - 4+6 - -
01851 576 Protected - 4+6 - -
01851 577 Protected - 4+6 - -
01851 578 Protected - 4+6 - -
01851 579 Protected - 4+6 - -
01851 580 Protected - 4+6 - -
01851 581 Protected - 4+6 - -
01851 582 Protected - 4+6 - -
01851 583 Protected - 4+6 - -
01851 584 Protected - 4+6 - -
01851 585 Protected - 4+6 - -
01851 586 Protected - 4+6 - -
01851 587 Protected - 4+6 - -
01851 588 Protected - 4+6 - -
01851 589 Protected - 4+6 - -
01851 590 Protected - 4+6 - -
01851 591 Protected - 4+6 - -
01851 592 Protected - 4+6 - -
01851 593 Protected - 4+6 - -
01851 594 Protected - 4+6 - -
01851 595 Protected - 4+6 - -
01851 596 Protected - 4+6 - -
01851 597 Protected - 4+6 - -
01851 598 Protected - 4+6 - -
01851 599 Protected - 4+6 - -
01851 600 Allocated Gamma Telecom Holdings Ltd 4+6 - 25/04/2005
01851 601 Allocated Gamma Telecom Holdings Ltd 4+6 - 25/04/2005
01851 602 Allocated Gamma Telecom Holdings Ltd 4+6 - 25/04/2005
01851 603 Protected - 4+6 - -
01851 604 Protected - 4+6 - -
01851 605 Allocated Gamma Telecom Holdings Ltd 4+6 - 25/04/2005
01851 606 Allocated Gamma Telecom Holdings Ltd 4+6 - 25/04/2005
01851 607 Allocated Gamma Telecom Holdings Ltd 4+6 - 25/04/2005
01851 608 Allocated Gamma Telecom Holdings Ltd 4+6 - 25/04/2005
01851 609 Protected - 4+6 - -
01851 61 Allocated BT 4+6 - 15/07/1994
01851 62 Allocated BT 4+6 - 15/07/1994
01851 630 Allocated Linear Telecoms Limited 4+6 - 18/10/2010
01851 631 Protected - 4+6 - -
01851 632 Protected - 4+6 - -
01851 633 Protected - 4+6 - -
01851 634 Protected - 4+6 - -
01851 635 Protected - 4+6 - -
01851 636 Protected - 4+6 - -
01851 637 Protected - 4+6 - -
01851 638 Protected - 4+6 - -
01851 639 Protected - 4+6 - -
01851 64 Allocated BT 4+6 - 15/07/1994
01851 65 Allocated Edge Telecom Limited 4+6 - 29/04/2005
01851 660 Allocated Magrathea Telecommunications Limited 4+6 - 17/11/2011
01851 661 Allocated Magrathea Telecommunications Limited 4+6 - 17/11/2011
01851 662 Protected - 4+6 - -
01851 663 Protected - 4+6 - -
01851 664 Protected - 4+6 - -
01851 665 Allocated Magrathea Telecommunications Limited 4+6 - 17/11/2011
01851 666 Protected - 4+6 - -
01851 667 Allocated Magrathea Telecommunications Limited 4+6 - 17/11/2011
01851 668 Allocated Magrathea Telecommunications Limited 4+6 - 17/11/2011
01851 669 Protected - 4+6 - -
01851 67 Allocated BT 4+6 - 15/07/1994
01851 68 Allocated Net Solutions Europe Limited 4+6 F-Digit '8' 13/01/2006
01851 690 Allocated Inclarity Communications Ltd 4+6 - 12/07/2006
01851 691 Allocated Inclarity Communications Ltd 4+6 - 12/07/2006
01851 692 Allocated Inclarity Communications Ltd 4+6 - 12/07/2006
01851 693 Protected - 4+6 - -
01851 694 Protected - 4+6 - -
01851 695 Allocated Inclarity Communications Ltd 4+6 - 12/07/2006
01851 696 Protected - 4+6 - -
01851 697 Protected - 4+6 - -
01851 698 Protected - 4+6 - -
01851 699 Protected - 4+6 - -
01851 70 Allocated BT 4+6 - 15/07/1994
01851 71 Allocated BT 4+6 - 15/07/1994
01851 72 Allocated FleXtel Limited 4+6 - 26/10/2005
01851 730 Allocated Localphone Limited 4+6 - 23/05/2007
01851 731 Allocated Danemere Street Creative 4+6 - 23/07/2009
01851 732 Allocated Affiniti Integrated Solutions Ltd 4+6 - 02/12/2010
01851 733 Allocated Nodemax Limited 4+6 - 15/07/2008
01851 734 Allocated Cheers International Sales Limited 4+6 - 15/12/2010
01851 735 Allocated TalkTalk Communications Limited 4+6 - 04/10/2011
01851 736 Allocated Internexus Networks Limited 4+6 - 22/11/2011
01851 737 Allocated Starcomm Ltd 4+6 - 03/10/2008
01851 738 Allocated Voxbone SA 4+6 - 26/09/2008
01851 739 Allocated API Telecom Limited 4+6 - 18/04/2012
01851 740 Allocated VoIP-Un Limited 4+6 - 05/11/2007
01851 741 Free - 4+6 - -
01851 742 Allocated Windsor Telecom Plc 4+6 - 22/07/2010
01851 743 Allocated Vodafone Ltd (C&W) 4+6 - 14/05/2010
01851 744 Allocated Teledesign Ltd 4+6 - 08/10/2007
01851 745 Allocated Suretec Systems Ltd 4+6 - 13/05/2010
01851 746 Allocated Invosys Limited 4+6 - 20/01/2011
01851 747 Allocated Resilient Networks Plc 4+6 - 08/04/2008
01851 748 Allocated Barritec Limited 4+6 - 23/09/2011
01851 749 Allocated Hello Telecom (UK) PLC 4+6 - 20/07/2012
01851 75 Allocated Net Solutions Europe Limited 4+6 F-Digit '5' 13/01/2006
01851 76 Allocated BT 4+6 - 23/04/1996
01851 77 Allocated Vodafone Ltd (Thus) 4+6 - 21/05/1998
01851 780 Protected - 4+6 - -
01851 781 Protected - 4+6 - -
01851 782 Protected - 4+6 - -
01851 783 Protected - 4+6 - -
01851 784 Protected - 4+6 - -
01851 785 Protected - 4+6 - -
01851 786 Protected - 4+6 - -
01851 787 Protected - 4+6 - -
01851 788 Protected - 4+6 - -
01851 789 Protected - 4+6 - -
01851 790 Allocated Served Up Limited. 4+6 - 23/10/2008
01851 791 Allocated Nexbridge Communications Limited 4+6 - 17/03/2011
01851 792 Allocated TelecomEight Network Ltd 4+6 - 04/04/2013
01851 793 Allocated Media Hawk Ltd 4+6 - 10/04/2013
01851 794 Allocated IOVOX Limited 4+6 - 22/08/2013
01851 795 Allocated Simwood eSMS Limited 4+6 - 05/04/2013
01851 796 Allocated Minotaur Telecom Limited 4+6 - 05/02/2013
01851 797 Allocated Telappliant Ltd 4+6 - 22/06/2010
01851 798 Allocated We Love Communications Limited 4+6 - 06/08/2012
01851 799 Allocated Nationwide Telephone Assistance Ltd 4+6 - 02/10/2007
01851 80 Allocated Magrathea Telecommunications Limited 4+6 - 24/09/2004
01851 81 Allocated BT 4+6 - 15/07/1994
01851 82 Allocated BT 4+6 - 15/07/1994
01851 83 Allocated BT 4+6 - 15/07/1994
01851 84 Allocated BT 4+6 - 15/07/1994
01851 85 Allocated BT 4+6 - 15/07/1994
01851 86 Allocated BT 4+6 - 15/07/1994
01851 87 Allocated BT 4+6 - 15/07/1994
01851 88 Allocated BT 4+6 - 15/07/1994
01851 89 Allocated BT 4+6 - 15/07/1994
01851 900 Protected - 4+6 - -
01851 901 Protected - 4+6 - -
01851 902 Protected - 4+6 - -
01851 903 Protected - 4+6 - -
01851 904 Protected - 4+6 - -
01851 905 Protected - 4+6 - -
01851 906 Protected - 4+6 - -
01851 907 Protected - 4+6 - -
01851 908 Protected - 4+6 - -
01851 909 Protected - 4+6 - -
01851 910 Protected - 4+6 - -
01851 911 Protected - 4+6 - -
01851 912 Protected - 4+6 - -
01851 913 Protected - 4+6 - -
01851 914 Protected - 4+6 - -
01851 915 Protected - 4+6 - -
01851 916 Protected - 4+6 - -
01851 917 Protected - 4+6 - -
01851 918 Protected - 4+6 - -
01851 919 Protected - 4+6 - -
01851 920 Protected - 4+6 - -
01851 921 Protected - 4+6 - -
01851 922 Protected - 4+6 - -
01851 923 Protected - 4+6 - -
01851 924 Protected - 4+6 - -
01851 925 Protected - 4+6 - -
01851 926 Protected - 4+6 - -
01851 927 Protected - 4+6 - -
01851 928 Protected - 4+6 - -
01851 929 Protected - 4+6 - -
01851 930 Protected - 4+6 - -
01851 931 Protected - 4+6 - -
01851 932 Protected - 4+6 - -
01851 933 Protected - 4+6 - -
01851 934 Protected - 4+6 - -
01851 935 Protected - 4+6 - -
01851 936 Protected - 4+6 - -
01851 937 Protected - 4+6 - -
01851 938 Protected - 4+6 - -
01851 939 Protected - 4+6 - -
01851 940 Protected - 4+6 - -
01851 941 Protected - 4+6 - -
01851 942 Protected - 4+6 - -
01851 943 Protected - 4+6 - -
01851 944 Protected - 4+6 - -
01851 945 Protected - 4+6 - -
01851 946 Protected - 4+6 - -
01851 947 Protected - 4+6 - -
01851 948 Protected - 4+6 - -
01851 949 Protected - 4+6 - -
01851 950 Protected - 4+6 - -
01851 951 Protected - 4+6 - -
01851 952 Protected - 4+6 - -
01851 953 Protected - 4+6 - -
01851 954 Protected - 4+6 - -
01851 955 Protected - 4+6 - -
01851 956 Protected - 4+6 - -
01851 957 Protected - 4+6 - -
01851 958 Protected - 4+6 - -
01851 959 Protected - 4+6 - -
01851 960 Protected - 4+6 - -
01851 961 Protected - 4+6 - -
01851 962 Protected - 4+6 - -
01851 963 Protected - 4+6 - -
01851 964 Protected - 4+6 - -
01851 965 Protected - 4+6 - -
01851 966 Protected - 4+6 - -
01851 967 Protected - 4+6 - -
01851 968 Protected - 4+6 - -
01851 969 Protected - 4+6 - -
01851 970 Protected - 4+6 - -
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01851 972 Protected - 4+6 - -
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01851 975 Protected - 4+6 - -
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01851 979 Protected - 4+6 - -
01851 980 Protected - 4+6 - -
01851 981 Protected - 4+6 - -
01851 982 Protected - 4+6 - -
01851 983 Protected - 4+6 - -
01851 984 Protected - 4+6 - -
01851 985 Protected - 4+6 - -
01851 986 Protected - 4+6 - -
01851 987 Protected - 4+6 - -
01851 988 Protected - 4+6 - -
01851 989 Protected - 4+6 - -
01851 99 Protected - N/A - -