This page contains information about which telephone companies the various 01405 numbers are allocated to.
| First Digits | Status | Communications Provider | Number Length | Notes | Change |
|---|---|---|---|---|---|
| 01405 00 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 01 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 02 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 03 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 04 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 05 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 06 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 07 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 08 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 09 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 10 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 11 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 12 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 13 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 14 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 15 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 16 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 17 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 18 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 19 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01405 20 | Allocated | Frontier Systems Ltd | 4+6 | F-Digit '3' | 27/09/2007 |
| 01405 21 | Allocated | (aq) Limited trading as aql | 4+6 | F-Digit '0' | 19/10/2011 |
| 01405 22 | Allocated | Teledesign Ltd | 4+6 | F-Digit '2' | 06/09/2007 |
| 01405 23 | Allocated | Nationwide Telephone Assistance Ltd | 4+6 | F-Digit '0' | 02/10/2007 |
| 01405 24 | Allocated | VoIP-Un Limited | 4+6 | F-Digit '0' | 29/10/2007 |
| 01405 25 | Allocated | Timico Limited | 4+6 | F-Digit '8' | 30/11/2007 |
| 01405 26 | Allocated | Level 3 Communications UK Limited | 4+6 | F-Digit '6' | 23/04/2008 |
| 01405 27 | Allocated | Telecom2 Ltd | 4+6 | F-Digit '6' | 11/09/2009 |
| 01405 28 | Allocated | Nodemax Limited | 4+6 | F-Digit '0' | 16/07/2008 |
| 01405 29 | Allocated | 3C Limited | 4+6 | F-Digit '2' | 11/09/2008 |
| 01405 300 | Protected | - | 4+6 | - | - |
| 01405 301 | Protected | - | 4+6 | - | - |
| 01405 302 | Protected | - | 4+6 | - | - |
| 01405 303 | Protected | - | 4+6 | - | - |
| 01405 304 | Protected | - | 4+6 | - | - |
| 01405 305 | Protected | - | 4+6 | - | - |
| 01405 306 | Protected | - | 4+6 | - | - |
| 01405 307 | Protected | - | 4+6 | - | - |
| 01405 308 | Protected | - | 4+6 | - | - |
| 01405 309 | Protected | - | 4+6 | - | - |
| 01405 310 | Allocated | Voxbone SA | 4+6 | - | 08/12/2011 |
| 01405 311 | Protected | - | 4+6 | - | - |
| 01405 312 | Protected | - | 4+6 | - | - |
| 01405 313 | Protected | - | 4+6 | - | - |
| 01405 314 | Protected | - | 4+6 | - | - |
| 01405 315 | Protected | - | 4+6 | - | - |
| 01405 316 | Protected | - | 4+6 | - | - |
| 01405 317 | Protected | - | 4+6 | - | - |
| 01405 318 | Protected | - | 4+6 | - | - |
| 01405 319 | Protected | - | 4+6 | - | - |
| 01405 32 | Allocated | Solutios Limited | 4+6 | F-Digit '2' | 06/10/2008 |
| 01405 33 | Allocated | Net-Work Internet Ltd | 4+6 | F-Digit '3' | 06/10/2008 |
| 01405 34 | Allocated | IPV6 Limited | 4+6 | F-Digit '0' | 04/02/2009 |
| 01405 35 | Allocated | Mars Communications Limited | 4+6 | F-Digit '0' | 12/02/2009 |
| 01405 36 | Allocated | Andrews & Arnold (Numbers) Ltd | 4+6 | F-Digit '0' | 05/03/2009 |
| 01405 370 | Protected | - | 4+6 | - | - |
| 01405 371 | Protected | - | 4+6 | - | - |
| 01405 372 | Protected | - | 4+6 | - | - |
| 01405 373 | Protected | - | 4+6 | - | - |
| 01405 374 | Protected | - | 4+6 | - | - |
| 01405 375 | Protected | - | 4+6 | - | - |
| 01405 376 | Protected | - | 4+6 | - | - |
| 01405 377 | Allocated | Premium O Limited | 4+6 | - | 02/10/2012 |
| 01405 378 | Protected | - | 4+6 | - | - |
| 01405 379 | Protected | - | 4+6 | - | - |
| 01405 38 | Allocated | Telecoms World Plc | 4+6 | F-Digit '0' | 13/03/2009 |
| 01405 39 | Allocated | Nexus Telecommunications Limited | 4+6 | F-Digit '0' | 16/06/2009 |
| 01405 40 | Allocated | Mundio Mobile Limited | 4+6 | F-Digit '6' | 06/07/2009 |
| 01405 41 | Allocated | CFL Communications Limited | 4+6 | F-Digit '0' | 10/07/2009 |
| 01405 42 | Allocated | Known Communications Limited | 4+6 | F-Digit '0' | 17/09/2009 |
| 01405 430 | Allocated | iNet Telecoms Ltd (Voipfone) | 4+6 | - | 30/11/2009 |
| 01405 431 | Allocated | iNet Telecoms Ltd (Voipfone) | 4+6 | - | 30/11/2009 |
| 01405 432 | Protected | - | 4+6 | - | - |
| 01405 433 | Protected | - | 4+6 | - | - |
| 01405 434 | Protected | - | 4+6 | - | - |
| 01405 435 | Protected | - | 4+6 | - | - |
| 01405 436 | Protected | - | 4+6 | - | - |
| 01405 437 | Allocated | iNet Telecoms Ltd (Voipfone) | 4+6 | - | 30/11/2009 |
| 01405 438 | Protected | - | 4+6 | - | - |
| 01405 439 | Allocated | iNet Telecoms Ltd (Voipfone) | 4+6 | - | 30/11/2009 |
| 01405 440 | Allocated | Suretec Systems Ltd | 4+6 | - | 05/05/2010 |
| 01405 441 | Allocated | Calltracks Limited | 4+6 | - | 08/07/2010 |
| 01405 442 | Allocated | Windsor Telecom Plc | 4+6 | - | 21/07/2010 |
| 01405 443 | Allocated | Digitech Solutions Global Limited | 4+6 | - | 29/04/2010 |
| 01405 444 | Allocated | Atomstream Limited | 4+6 | - | 26/04/2010 |
| 01405 445 | Allocated | Telappliant Ltd | 4+6 | - | 01/06/2010 |
| 01405 446 | Allocated | Numbergroup Network Ltd | 4+6 | - | 08/11/2010 |
| 01405 447 | Allocated | Simwood eSMS Limited | 4+6 | - | 09/08/2010 |
| 01405 448 | Allocated | VoiceHost Limited | 4+6 | - | 17/09/2010 |
| 01405 449 | Allocated | British Sky Broadcasting Limited | 4+6 | - | 05/05/2010 |
| 01405 450 | Allocated | Telephone Box Limited | 4+6 | - | 25/11/2010 |
| 01405 451 | Allocated | Cheers International Sales Limited | 4+6 | - | 14/12/2010 |
| 01405 452 | Allocated | Phone Co-Op Numbering Limited | 4+6 | - | 22/12/2010 |
| 01405 453 | Allocated | Invosys Limited | 4+6 | - | 18/01/2011 |
| 01405 454 | Allocated | Nexbridge Communications Limited | 4+6 | - | 16/03/2011 |
| 01405 455 | Allocated | IP Base Ltd | 4+6 | - | 04/02/2011 |
| 01405 456 | Allocated | Globecom International Limited | 4+6 | - | 08/02/2011 |
| 01405 457 | Allocated | TalkTalk Communications Limited | 4+6 | - | 12/09/2011 |
| 01405 458 | Allocated | Tesla Dynamic Ltd | 4+6 | - | 06/07/2011 |
| 01405 459 | Allocated | Barritec Limited | 4+6 | - | 20/09/2011 |
| 01405 460 | Allocated | Invoco Ltd | 4+6 | - | 22/09/2011 |
| 01405 461 | Allocated | Minotaur Telecom Limited | 4+6 | - | 27/10/2011 |
| 01405 462 | Allocated | Hello Telecom (UK) PLC | 4+6 | - | 10/11/2011 |
| 01405 463 | Allocated | Internexus Networks Limited | 4+6 | - | 21/11/2011 |
| 01405 464 | Allocated | Broadcast Telecom Ltd | 4+6 | - | 21/02/2012 |
| 01405 465 | Allocated | Bicom Systems EURL | 4+6 | - | 02/03/2012 |
| 01405 466 | Allocated | API Telecom Limited | 4+6 | - | 27/03/2012 |
| 01405 467 | Allocated | ICC Networks Ltd | 4+6 | - | 13/04/2012 |
| 01405 468 | Allocated | Content Guru Ltd | 4+6 | - | 15/10/2012 |
| 01405 469 | Allocated | British Sky Broadcasting Limited | 4+6 | - | 07/02/2012 |
| 01405 470 | Allocated | Ziron (UK) Ltd | 4+6 | - | 30/07/2012 |
| 01405 471 | Allocated | IOVOX Limited | 4+6 | - | 02/07/2012 |
| 01405 472 | Allocated | Media Hawk Ltd | 4+6 | - | 11/04/2013 |
| 01405 473 | Allocated | Kalnet4u Ltd | 4+6 | - | 17/05/2013 |
| 01405 474 | Allocated | York Data Services Ltd | 4+6 | - | 12/07/2012 |
| 01405 475 | Allocated | British Sky Broadcasting Limited | 4+6 | - | 20/06/2013 |
| 01405 476 | Allocated | i-Net Communications Group Plc | 4+6 | - | 21/06/2013 |
| 01405 477 | Allocated | We Love Communications Limited | 4+6 | - | 08/08/2012 |
| 01405 478 | Allocated | iHub UK Ltd | 4+6 | - | 14/08/2013 |
| 01405 479 | Allocated | XoverX Ltd | 4+6 | - | 30/04/2013 |
| 01405 480 | Free | - | 4+6 | - | - |
| 01405 481 | Free | - | 4+6 | - | - |
| 01405 482 | Free | - | 4+6 | - | - |
| 01405 483 | Free | - | 4+6 | - | - |
| 01405 484 | Free | - | 4+6 | - | - |
| 01405 485 | Allocated | Resilient Networks Plc | 4+6 | - | 14/05/2014 |
| 01405 486 | Free | - | 4+6 | - | - |
| 01405 487 | Free | - | 4+6 | - | - |
| 01405 488 | Allocated | Radius Communications Limited | 4+6 | - | 08/01/2014 |
| 01405 489 | Free | - | 4+6 | - | - |
| 01405 490 | Protected | - | 4+6 | - | - |
| 01405 491 | Protected | - | 4+6 | - | - |
| 01405 492 | Protected | - | 4+6 | - | - |
| 01405 493 | Protected | - | 4+6 | - | - |
| 01405 494 | Protected | - | 4+6 | - | - |
| 01405 495 | Protected | - | 4+6 | - | - |
| 01405 496 | Protected | - | 4+6 | - | - |
| 01405 497 | Protected | - | 4+6 | - | - |
| 01405 498 | Protected | - | 4+6 | - | - |
| 01405 499 | Protected | - | 4+6 | - | - |
| 01405 500 | Protected | - | 4+6 | - | - |
| 01405 501 | Protected | - | 4+6 | - | - |
| 01405 502 | Protected | - | 4+6 | - | - |
| 01405 503 | Protected | - | 4+6 | - | - |
| 01405 504 | Protected | - | 4+6 | - | - |
| 01405 505 | Protected | - | 4+6 | - | - |
| 01405 506 | Protected | - | 4+6 | - | - |
| 01405 507 | Protected | - | 4+6 | - | - |
| 01405 508 | Protected | - | 4+6 | - | - |
| 01405 509 | Protected | - | 4+6 | - | - |
| 01405 510 | Protected | - | 4+6 | - | - |
| 01405 511 | Protected | - | 4+6 | - | - |
| 01405 512 | Protected | - | 4+6 | - | - |
| 01405 513 | Protected | - | 4+6 | - | - |
| 01405 514 | Protected | - | 4+6 | - | - |
| 01405 515 | Protected | - | 4+6 | - | - |
| 01405 516 | Protected | - | 4+6 | - | - |
| 01405 517 | Protected | - | 4+6 | - | - |
| 01405 518 | Protected | - | 4+6 | - | - |
| 01405 519 | Protected | - | 4+6 | - | - |
| 01405 520 | Protected | - | 4+6 | - | - |
| 01405 521 | Protected | - | 4+6 | - | - |
| 01405 522 | Protected | - | 4+6 | - | - |
| 01405 523 | Protected | - | 4+6 | - | - |
| 01405 524 | Protected | - | 4+6 | - | - |
| 01405 525 | Protected | - | 4+6 | - | - |
| 01405 526 | Protected | - | 4+6 | - | - |
| 01405 527 | Protected | - | 4+6 | - | - |
| 01405 528 | Protected | - | 4+6 | - | - |
| 01405 529 | Protected | - | 4+6 | - | - |
| 01405 530 | Protected | - | 4+6 | - | - |
| 01405 531 | Protected | - | 4+6 | - | - |
| 01405 532 | Protected | - | 4+6 | - | - |
| 01405 533 | Protected | - | 4+6 | - | - |
| 01405 534 | Protected | - | 4+6 | - | - |
| 01405 535 | Protected | - | 4+6 | - | - |
| 01405 536 | Protected | - | 4+6 | - | - |
| 01405 537 | Protected | - | 4+6 | - | - |
| 01405 538 | Protected | - | 4+6 | - | - |
| 01405 539 | Protected | - | 4+6 | - | - |
| 01405 540 | Protected | - | 4+6 | - | - |
| 01405 541 | Protected | - | 4+6 | - | - |
| 01405 542 | Protected | - | 4+6 | - | - |
| 01405 543 | Protected | - | 4+6 | - | - |
| 01405 544 | Protected | - | 4+6 | - | - |
| 01405 545 | Protected | - | 4+6 | - | - |
| 01405 546 | Protected | - | 4+6 | - | - |
| 01405 547 | Protected | - | 4+6 | - | - |
| 01405 548 | Protected | - | 4+6 | - | - |
| 01405 549 | Protected | - | 4+6 | - | - |
| 01405 550 | Protected | - | 4+6 | - | - |
| 01405 551 | Protected | - | 4+6 | - | - |
| 01405 552 | Protected | - | 4+6 | - | - |
| 01405 553 | Protected | - | 4+6 | - | - |
| 01405 554 | Protected | - | 4+6 | - | - |
| 01405 555 | Protected | - | 4+6 | - | - |
| 01405 556 | Protected | - | 4+6 | - | - |
| 01405 557 | Protected | - | 4+6 | - | - |
| 01405 558 | Protected | - | 4+6 | - | - |
| 01405 559 | Protected | - | 4+6 | - | - |
| 01405 560 | Protected | - | 4+6 | - | - |
| 01405 561 | Protected | - | 4+6 | - | - |
| 01405 562 | Protected | - | 4+6 | - | - |
| 01405 563 | Protected | - | 4+6 | - | - |
| 01405 564 | Protected | - | 4+6 | - | - |
| 01405 565 | Protected | - | 4+6 | - | - |
| 01405 566 | Protected | - | 4+6 | - | - |
| 01405 567 | Protected | - | 4+6 | - | - |
| 01405 568 | Protected | - | 4+6 | - | - |
| 01405 569 | Protected | - | 4+6 | - | - |
| 01405 570 | Protected | - | 4+6 | - | - |
| 01405 571 | Protected | - | 4+6 | - | - |
| 01405 572 | Protected | - | 4+6 | - | - |
| 01405 573 | Protected | - | 4+6 | - | - |
| 01405 574 | Protected | - | 4+6 | - | - |
| 01405 575 | Protected | - | 4+6 | - | - |
| 01405 576 | Protected | - | 4+6 | - | - |
| 01405 577 | Protected | - | 4+6 | - | - |
| 01405 578 | Protected | - | 4+6 | - | - |
| 01405 579 | Protected | - | 4+6 | - | - |
| 01405 580 | Protected | - | 4+6 | - | - |
| 01405 581 | Protected | - | 4+6 | - | - |
| 01405 582 | Protected | - | 4+6 | - | - |
| 01405 583 | Protected | - | 4+6 | - | - |
| 01405 584 | Protected | - | 4+6 | - | - |
| 01405 585 | Protected | - | 4+6 | - | - |
| 01405 586 | Protected | - | 4+6 | - | - |
| 01405 587 | Protected | - | 4+6 | - | - |
| 01405 588 | Protected | - | 4+6 | - | - |
| 01405 589 | Protected | - | 4+6 | - | - |
| 01405 590 | Protected | - | 4+6 | - | - |
| 01405 591 | Protected | - | 4+6 | - | - |
| 01405 592 | Protected | - | 4+6 | - | - |
| 01405 593 | Protected | - | 4+6 | - | - |
| 01405 594 | Protected | - | 4+6 | - | - |
| 01405 595 | Protected | - | 4+6 | - | - |
| 01405 596 | Protected | - | 4+6 | - | - |
| 01405 597 | Protected | - | 4+6 | - | - |
| 01405 598 | Protected | - | 4+6 | - | - |
| 01405 599 | Protected | - | 4+6 | - | - |
| 01405 600 | Allocated | KCOM Group PLC | 4+6 | - | 19/05/1999 |
| 01405 601 | Allocated | KCOM Group PLC | 4+6 | - | 19/05/1999 |
| 01405 602 | Allocated | KCOM Group PLC | 4+6 | - | 19/05/1999 |
| 01405 603 | Protected | - | 4+6 | - | - |
| 01405 604 | Protected | - | 4+6 | - | - |
| 01405 605 | Allocated | KCOM Group PLC | 4+6 | - | 19/05/1999 |
| 01405 606 | Allocated | KCOM Group PLC | 4+6 | - | 19/05/1999 |
| 01405 607 | Allocated | KCOM Group PLC | 4+6 | - | 19/05/1999 |
| 01405 608 | Allocated | KCOM Group PLC | 4+6 | - | 19/05/1999 |
| 01405 609 | Protected | - | 4+6 | - | - |
| 01405 610 | Allocated | Linear Telecoms Limited | 4+6 | - | 08/10/2010 |
| 01405 611 | Protected | - | 4+6 | - | - |
| 01405 612 | Protected | - | 4+6 | - | - |
| 01405 613 | Protected | - | 4+6 | - | - |
| 01405 614 | Protected | - | 4+6 | - | - |
| 01405 615 | Protected | - | 4+6 | - | - |
| 01405 616 | Protected | - | 4+6 | - | - |
| 01405 617 | Protected | - | 4+6 | - | - |
| 01405 618 | Protected | - | 4+6 | - | - |
| 01405 619 | Protected | - | 4+6 | - | - |
| 01405 62 | Allocated | FleXtel Limited | 4+6 | - | 20/10/2005 |
| 01405 630 | Allocated | Inclarity Communications Ltd | 4+6 | - | 29/11/2005 |
| 01405 631 | Allocated | Inclarity Communications Ltd | 4+6 | - | 29/11/2005 |
| 01405 632 | Allocated | Inclarity Communications Ltd | 4+6 | - | 29/11/2005 |
| 01405 633 | Protected | - | 4+6 | - | - |
| 01405 634 | Protected | - | 4+6 | - | - |
| 01405 635 | Allocated | Inclarity Communications Ltd | 4+6 | - | 29/11/2005 |
| 01405 636 | Protected | - | 4+6 | - | - |
| 01405 637 | Protected | - | 4+6 | - | - |
| 01405 638 | Protected | - | 4+6 | - | - |
| 01405 639 | Protected | - | 4+6 | - | - |
| 01405 640 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 25/11/2005 |
| 01405 641 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 25/11/2005 |
| 01405 642 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 25/11/2005 |
| 01405 643 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 25/11/2005 |
| 01405 644 | Protected | - | 4+6 | - | - |
| 01405 645 | Protected | - | 4+6 | - | - |
| 01405 646 | Protected | - | 4+6 | - | - |
| 01405 647 | Protected | - | 4+6 | - | - |
| 01405 648 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 25/11/2005 |
| 01405 649 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 25/11/2005 |
| 01405 65 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 11/02/2010 |
| 01405 66 | Allocated | BT | 4+6 | - | 03/07/1995 |
| 01405 670 | Protected | - | 4+6 | - | - |
| 01405 671 | Protected | - | 4+6 | - | - |
| 01405 672 | Protected | - | 4+6 | - | - |
| 01405 673 | Protected | - | 4+6 | - | - |
| 01405 674 | Protected | - | 4+6 | - | - |
| 01405 675 | Protected | - | 4+6 | - | - |
| 01405 676 | Protected | - | 4+6 | - | - |
| 01405 677 | Protected | - | 4+6 | - | - |
| 01405 678 | Allocated | Vodafone Ltd (YC) | 4+6 | - | 09/09/2014 |
| 01405 679 | Protected | - | 4+6 | - | - |
| 01405 680 | Protected | - | 4+6 | - | - |
| 01405 681 | Protected | - | 4+6 | - | - |
| 01405 682 | Protected | - | 4+6 | - | - |
| 01405 683 | Protected | - | 4+6 | - | - |
| 01405 684 | Protected | - | 4+6 | - | - |
| 01405 685 | Protected | - | 4+6 | - | - |
| 01405 686 | Protected | - | 4+6 | - | - |
| 01405 687 | Protected | - | 4+6 | - | - |
| 01405 688 | Protected | - | 4+6 | - | - |
| 01405 689 | Protected | - | 4+6 | - | - |
| 01405 69 | Allocated | TTNC Limited | 4+6 | F-Digits '0,1,2,3,4,5,6,7,8,9' | 24/08/2006 |
| 01405 70 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01405 71 | Allocated | Syntec Limited | 4+6 | - | 21/11/2005 |
| 01405 72 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01405 73 | Allocated | Net Solutions Europe Limited | 4+6 | F-Digit '3' | 12/04/2006 |
| 01405 74 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01405 75 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01405 76 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01405 77 | Allocated | Citrus Telecommunications Ltd | 4+6 | F-Digit '2' | 11/04/2006 |
| 01405 78 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01405 790 | Protected | - | 4+6 | - | - |
| 01405 791 | Protected | - | 4+6 | - | - |
| 01405 792 | Protected | - | 4+6 | - | - |
| 01405 793 | Protected | - | 4+6 | - | - |
| 01405 794 | Allocated | Six Degrees Unified Comms Limited | 4+6 | - | 04/05/2006 |
| 01405 795 | Protected | - | 4+6 | - | - |
| 01405 796 | Protected | - | 4+6 | - | - |
| 01405 797 | Protected | - | 4+6 | - | - |
| 01405 798 | Protected | - | 4+6 | - | - |
| 01405 799 | Protected | - | 4+6 | - | - |
| 01405 80 | Allocated | Gamma Telecom Holdings Ltd | 4+6 | - | 18/03/2005 |
| 01405 81 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01405 82 | Allocated | Served Up Limited. | 4+6 | F-Digit '2' | 19/05/2008 |
| 01405 83 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01405 84 | Allocated | Edge Telecom Limited | 4+6 | - | 05/04/2005 |
| 01405 85 | Allocated | Magrathea Telecommunications Limited | 4+6 | - | 24/09/2004 |
| 01405 86 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01405 870 | Protected | - | 4+6 | - | - |
| 01405 871 | Protected | - | 4+6 | - | - |
| 01405 872 | Protected | - | 4+6 | - | - |
| 01405 873 | Protected | - | 4+6 | - | - |
| 01405 874 | Protected | - | 4+6 | - | - |
| 01405 875 | Protected | - | 4+6 | - | - |
| 01405 876 | Protected | - | 4+6 | - | - |
| 01405 877 | Protected | - | 4+6 | - | - |
| 01405 878 | Protected | - | 4+6 | - | - |
| 01405 879 | Protected | - | 4+6 | - | - |
| 01405 88 | Allocated | Affiniti Integrated Solutions Ltd | 4+6 | - | 15/07/1994 |
| 01405 89 | Allocated | TelNG Limited | 4+6 | F-Digit '2' | 27/02/2007 |
| 01405 90 | Allocated | Danemere Street Creative | 4+6 | - | 06/07/2006 |
| 01405 910 | Protected | - | 4+6 | - | - |
| 01405 911 | Protected | - | 4+6 | - | - |
| 01405 912 | Protected | - | 4+6 | - | - |
| 01405 913 | Protected | - | 4+6 | - | - |
| 01405 914 | Protected | - | 4+6 | - | - |
| 01405 915 | Protected | - | 4+6 | - | - |
| 01405 916 | Protected | - | 4+6 | - | - |
| 01405 917 | Protected | - | 4+6 | - | - |
| 01405 918 | Protected | - | 4+6 | - | - |
| 01405 919 | Protected | - | 4+6 | - | - |
| 01405 92 | Allocated | Barritel Limited | 4+6 | - | 02/11/2006 |
| 01405 93 | Allocated | Localphone Limited | 4+6 | F-Digit '0' | 03/05/2007 |
| 01405 940 | Protected | - | 4+6 | - | - |
| 01405 941 | Protected | - | 4+6 | - | - |
| 01405 942 | Protected | - | 4+6 | - | - |
| 01405 943 | Protected | - | 4+6 | - | - |
| 01405 944 | Protected | - | 4+6 | - | - |
| 01405 945 | Protected | - | 4+6 | - | - |
| 01405 946 | Protected | - | 4+6 | - | - |
| 01405 947 | Allocated | TalkTalk Communications Limited | 4+6 | - | 22/05/2007 |
| 01405 948 | Allocated | TalkTalk Communications Limited | 4+6 | - | 22/05/2007 |
| 01405 949 | Allocated | TalkTalk Communications Limited | 4+6 | - | 22/05/2007 |
| 01405 95 | Allocated | Telephony Services Limited | 4+6 | F-Digit '5' | 23/06/2006 |
| 01405 96 | Allocated | Starcomm Ltd | 4+6 | F-Digit '0' | 25/05/2007 |
| 01405 970 | Protected | - | 4+6 | - | - |
| 01405 971 | Protected | - | 4+6 | - | - |
| 01405 972 | Protected | - | 4+6 | - | - |
| 01405 973 | Protected | - | 4+6 | - | - |
| 01405 974 | Protected | - | 4+6 | - | - |
| 01405 975 | Protected | - | 4+6 | - | - |
| 01405 976 | Protected | - | 4+6 | - | - |
| 01405 977 | Allocated | Spitfire Network Services Ltd | 4+6 | - | 10/11/2011 |
| 01405 978 | Protected | - | 4+6 | - | - |
| 01405 979 | Protected | - | 4+6 | - | - |
| 01405 98 | Allocated | InTechnology Plc | 4+6 | F-Digit '2' | 14/06/2007 |
| 01405 99 | Protected | - | N/A | - | - |