This page contains information about which telephone companies the various 013873 numbers are allocated to.
| First Digits | Status | Communications Provider | Number Length | Notes | Change |
|---|---|---|---|---|---|
| 01387 30 | Protected | - | (0)+10 | - | - |
| 01387 31 | Protected | - | (0)+10 | - | - |
| 013873 20 | Allocated | TalkTalk Communications Limited | 5+5 | - | 24/08/2007 |
| 013873 21 | Allocated | Frontier Systems Ltd | 5+5 | - | 27/09/2007 |
| 013873 22 | Allocated | Nationwide Telephone Assistance Ltd | 5+5 | - | 02/10/2007 |
| 013873 23 | Allocated | VoIP-Un Limited | 5+5 | - | 29/10/2007 |
| 013873 24 | Allocated | Timico Limited | 5+5 | - | 30/11/2007 |
| 013873 25 | Allocated | Telephony Services Limited | 5+5 | - | 04/01/2008 |
| 013873 26 | Allocated | Telecom2 Ltd | 5+5 | - | 11/09/2009 |
| 013873 27 | Allocated | Nodemax Limited | 5+5 | - | 14/07/2008 |
| 013873 28 | Allocated | 3C Limited | 5+5 | - | 11/09/2008 |
| 013873 29 | Allocated | Voxbone SA | 5+5 | - | 18/09/2008 |
| 01387 330 | Protected | - | 5+5 | - | - |
| 013873 31 | Allocated | Inclarity Communications Ltd | 5+5 | - | 07/06/2006 |
| 013873 32 | Allocated | Teledesign Ltd | 5+5 | - | 19/09/2006 |
| 013873 33 | Allocated | VoiceHost Limited | 5+5 | - | 20/08/2010 |
| 013873 34 | Allocated | TTNC Limited | 5+5 | F-Digit '0,1,2,3,4,5,6,7,8,9' | 23/11/2006 |
| 013873 35 | Allocated | TelNG Limited | 5+5 | - | 27/02/2007 |
| 013873 36 | Allocated | Syntec Limited | 5+5 | - | 21/11/2005 |
| 013873 37 | Allocated | Net Solutions Europe Limited | 5+5 | - | 13/04/2006 |
| 013873 38 | Allocated | Spitfire Network Services Ltd | 5+5 | - | 22/08/2006 |
| 013873 39 | Allocated | Localphone Limited | 5+5 | - | 03/05/2007 |
| 013873 40 | Allocated | Gamma Telecom Holdings Ltd | 5+5 | - | 07/10/2008 |
| 013873 41 | Allocated | Served Up Limited. | 5+5 | - | 08/10/2008 |
| 013873 42 | Allocated | Solutios Limited | 5+5 | - | 06/10/2008 |
| 013873 43 | Allocated | Barritel Limited | 5+5 | - | 11/11/2008 |
| 013873 44 | Allocated | Mars Communications Limited | 5+5 | - | 12/02/2009 |
| 013873 45 | Allocated | Vodafone Ltd (C&W) | 5+5 | - | 11/02/2010 |
| 013873 46 | Allocated | X-Pilot Limited | 5+5 | - | 16/06/2009 |
| 013873 47 | Allocated | Gamma Telecom Holdings Ltd | 5+5 | - | 23/04/2009 |
| 013873 48 | Allocated | Mundio Mobile Limited | 5+5 | - | 01/07/2009 |
| 013873 49 | Allocated | TeleWare PLC | 5+5 | - | 25/09/2009 |
| 013873 50 | Allocated | Linear Telecoms Limited | 5+5 | - | 08/10/2010 |
| 013873 510 | Allocated | i-Net Communications Group Plc | 5+5 | - | 24/06/2013 |
| 013873 511 | Allocated | IOVOX Limited | 5+5 | - | 22/08/2013 |
| 013873 512 | Allocated | Vodafone Ltd (C&W) | 5+5 | - | 08/10/2014 |
| 01387 3513 | Free | - | 5+5 | - | - |
| 01387 3514 | Free | - | 5+5 | - | - |
| 013873 515 | Allocated | Simwood eSMS Limited | 5+5 | - | 05/04/2013 |
| 01387 3516 | Free | - | 5+5 | - | - |
| 013873 517 | Allocated | IOVOX Limited | 5+5 | - | 23/10/2014 |
| 01387 3518 | Free | - | 5+5 | - | - |
| 01387 3519 | Free | - | 5+5 | - | - |
| 01387 3520 | Protected | - | 5+5 | - | - |
| 01387 3521 | Protected | - | 5+5 | - | - |
| 01387 3522 | Protected | - | 5+5 | - | - |
| 01387 3523 | Protected | - | 5+5 | - | - |
| 01387 3524 | Protected | - | 5+5 | - | - |
| 01387 3525 | Protected | - | 5+5 | - | - |
| 01387 3526 | Protected | - | 5+5 | - | - |
| 01387 3527 | Protected | - | 5+5 | - | - |
| 01387 3528 | Protected | - | 5+5 | - | - |
| 01387 3529 | Protected | - | 5+5 | - | - |
| 01387 3530 | Protected | - | 5+5 | - | - |
| 01387 3531 | Protected | - | 5+5 | - | - |
| 01387 3532 | Protected | - | 5+5 | - | - |
| 01387 3533 | Protected | - | 5+5 | - | - |
| 01387 3534 | Protected | - | 5+5 | - | - |
| 01387 3535 | Protected | - | 5+5 | - | - |
| 01387 3536 | Protected | - | 5+5 | - | - |
| 01387 3537 | Protected | - | 5+5 | - | - |
| 01387 3538 | Protected | - | 5+5 | - | - |
| 01387 3539 | Protected | - | 5+5 | - | - |
| 01387 3540 | Protected | - | 5+5 | - | - |
| 01387 3541 | Protected | - | 5+5 | - | - |
| 01387 3542 | Protected | - | 5+5 | - | - |
| 01387 3543 | Protected | - | 5+5 | - | - |
| 01387 3544 | Protected | - | 5+5 | - | - |
| 01387 3545 | Protected | - | 5+5 | - | - |
| 01387 3546 | Protected | - | 5+5 | - | - |
| 01387 3547 | Protected | - | 5+5 | - | - |
| 01387 3548 | Protected | - | 5+5 | - | - |
| 01387 3549 | Protected | - | 5+5 | - | - |
| 01387 3550 | Protected | - | 5+5 | - | - |
| 01387 3551 | Protected | - | 5+5 | - | - |
| 01387 3552 | Protected | - | 5+5 | - | - |
| 01387 3553 | Protected | - | 5+5 | - | - |
| 01387 3554 | Protected | - | 5+5 | - | - |
| 01387 3555 | Protected | - | 5+5 | - | - |
| 01387 3556 | Protected | - | 5+5 | - | - |
| 01387 3557 | Protected | - | 5+5 | - | - |
| 01387 3558 | Protected | - | 5+5 | - | - |
| 01387 3559 | Protected | - | 5+5 | - | - |
| 01387 3560 | Protected | - | 5+5 | - | - |
| 01387 3561 | Protected | - | 5+5 | - | - |
| 01387 3562 | Protected | - | 5+5 | - | - |
| 01387 3563 | Protected | - | 5+5 | - | - |
| 01387 3564 | Protected | - | 5+5 | - | - |
| 01387 3565 | Protected | - | 5+5 | - | - |
| 01387 3566 | Protected | - | 5+5 | - | - |
| 01387 3567 | Protected | - | 5+5 | - | - |
| 01387 3568 | Protected | - | 5+5 | - | - |
| 01387 3569 | Protected | - | 5+5 | - | - |
| 01387 3570 | Protected | - | 5+5 | - | - |
| 01387 3571 | Protected | - | 5+5 | - | - |
| 01387 3572 | Protected | - | 5+5 | - | - |
| 01387 3573 | Protected | - | 5+5 | - | - |
| 01387 3574 | Protected | - | 5+5 | - | - |
| 01387 3575 | Protected | - | 5+5 | - | - |
| 01387 3576 | Protected | - | 5+5 | - | - |
| 01387 3577 | Protected | - | 5+5 | - | - |
| 01387 3578 | Protected | - | 5+5 | - | - |
| 01387 3579 | Protected | - | 5+5 | - | - |
| 01387 3580 | Protected | - | 5+5 | - | - |
| 01387 3581 | Protected | - | 5+5 | - | - |
| 01387 3582 | Protected | - | 5+5 | - | - |
| 01387 3583 | Protected | - | 5+5 | - | - |
| 01387 3584 | Protected | - | 5+5 | - | - |
| 01387 3585 | Protected | - | 5+5 | - | - |
| 01387 3586 | Protected | - | 5+5 | - | - |
| 01387 3587 | Protected | - | 5+5 | - | - |
| 01387 3588 | Protected | - | 5+5 | - | - |
| 01387 3589 | Protected | - | 5+5 | - | - |
| 01387 3590 | Protected | - | 5+5 | - | - |
| 01387 3591 | Protected | - | 5+5 | - | - |
| 01387 3592 | Protected | - | 5+5 | - | - |
| 01387 3593 | Protected | - | 5+5 | - | - |
| 01387 3594 | Protected | - | 5+5 | - | - |
| 01387 3595 | Protected | - | 5+5 | - | - |
| 01387 3596 | Protected | - | 5+5 | - | - |
| 01387 3597 | Protected | - | 5+5 | - | - |
| 01387 3598 | Protected | - | 5+5 | - | - |
| 01387 3599 | Protected | - | 5+5 | - | - |
| 013873 6 | Allocated | Danemere Street Creative | 5+5 | - | 01/11/2004 |
| 013873 7 | Allocated | BT | 5+5 | - | 15/07/1994 |
| 013873 80 | Allocated | BT | 5+5 | - | 08/03/2011 |
| 013873 81 | Allocated | BT | 5+5 | - | 08/03/2011 |
| 013873 82 | Allocated | BT | 5+5 | - | 08/03/2011 |
| 013873 83 | Allocated | BT | 5+5 | - | 08/03/2011 |
| 013873 84 | Allocated | BT | 5+5 | - | 08/03/2011 |
| 013873 85 | Allocated | BT | 5+5 | - | 08/03/2011 |
| 013873 86 | Allocated | BT | 5+5 | - | 08/03/2011 |
| 01387 3870 | Protected | - | 5+5 | - | - |
| 01387 3871 | Protected | - | 5+5 | - | - |
| 01387 3872 | Protected | - | 5+5 | - | - |
| 01387 3873 | Protected | - | 5+5 | - | - |
| 01387 3874 | Protected | - | 5+5 | - | - |
| 01387 3875 | Protected | - | 5+5 | - | - |
| 01387 3876 | Protected | - | 5+5 | - | - |
| 01387 3877 | Protected | - | 5+5 | - | - |
| 01387 3878 | Protected | - | 5+5 | - | - |
| 01387 3879 | Protected | - | 5+5 | - | - |
| 01387 388 | Protected | - | 5+5 | - | - |
| 013873 89 | Allocated | BT | 5+5 | - | 08/03/2011 |
| 01387 390 | Protected | - | 5+5 | - | - |
| 013873 91 | Allocated | Invomo Ltd | 5+5 | - | 04/12/2009 |
| 013873 92 | Allocated | PTGI International Carrier Services Ltd | 5+5 | - | 01/02/2010 |
| 01387 393 | Protected | - | 5+5 | - | - |
| 01387 394 | Protected | - | 5+5 | - | - |
| 01387 395 | Protected | - | 5+5 | - | - |
| 01387 396 | Protected | - | 5+5 | - | - |
| 01387 397 | Protected | - | 5+5 | - | - |
| 01387 398 | Protected | - | 5+5 | - | - |
| 01387 399 | Protected | - | N/A | - | - |