This page contains information about which telephone companies the various 03704 numbers are allocated to.
| First Digits | Status | Communications Provider | Change |
|---|---|---|---|
| 0370 400 | Allocated | BT | 04/2007 |
| 0370 401 | Allocated | Vodafone Ltd (Energis) | 04/2007 |
| 0370 402 | Allocated | Vodafone Ltd (Energis) | 04/2007 |
| 0370 403 | Allocated | Vodafone Ltd (Energis) | 04/2007 |
| 0370 404 | Allocated | Invomo Ltd | 10/2007 |
| 0370 405 | Allocated | Vodafone Ltd (Energis) | 04/2007 |
| 0370 406 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 407 | Protected | - | - |
| 0370 408 | Allocated | Vodafone Ltd (C&W) | 04/2007 |
| 0370 409 | Protected | - | - |
| 0370 410 | Allocated | Vodafone Ltd (C&W) | 03/2010 |
| 0370 411 | Allocated | Vodafone Ltd (C&W) | 03/2010 |
| 0370 412 | Allocated | Vodafone Ltd (C&W) | 03/2010 |
| 0370 413 | Allocated | Vodafone Ltd (C&W) | 03/2010 |
| 0370 414 | Allocated | Vodafone Ltd (C&W) | 03/2010 |
| 0370 415 | Allocated | Vodafone Ltd (C&W) | 03/2010 |
| 0370 416 | Allocated | Vodafone Ltd (C&W) | 03/2010 |
| 0370 417 | Allocated | Vodafone Ltd (C&W) | 03/2010 |
| 0370 418 | Allocated | Vodafone Ltd (C&W) | 03/2010 |
| 0370 419 | Allocated | Vodafone Ltd (C&W) | 03/2010 |
| 0370 420 | Allocated | TalkTalk Communications Limited | 04/2014 |
| 0370 421 | Allocated | TalkTalk Communications Limited | 04/2014 |
| 0370 422 | Allocated | TalkTalk Communications Limited | 04/2014 |
| 0370 423 | Allocated | TalkTalk Communications Limited | 08/2009 |
| 0370 424 | Allocated | TalkTalk Communications Limited | 04/2014 |
| 0370 425 | Allocated | TalkTalk Communications Limited | 04/2014 |
| 0370 426 | Allocated | TalkTalk Communications Limited | 04/2014 |
| 0370 427 | Allocated | TalkTalk Communications Limited | 04/2014 |
| 0370 428 | Allocated | TalkTalk Communications Limited | 04/2014 |
| 0370 429 | Allocated | TalkTalk Communications Limited | 04/2014 |
| 0370 430 | Allocated | Nexus Telecommunications Limited | 07/2007 |
| 0370 431 | Protected | - | - |
| 0370 432 | Allocated | Edge Telecom Limited | 09/2007 |
| 0370 433 | Protected | - | - |
| 0370 434 | Allocated | Danemere Street Creative | 07/2009 |
| 0370 435 | Allocated | Resilient Networks Plc | 06/2007 |
| 0370 436 | Protected | - | - |
| 0370 437 | Allocated | QX Telecom Ltd | 11/2007 |
| 0370 438 | Allocated | Vodafone Ltd (C&W) | 05/2012 |
| 0370 439 | Allocated | Proton Telecom Limited | 08/2008 |
| 0370 440 | Allocated | 24 Seven Communications Ltd | 10/2010 |
| 0370 441 | Protected | - | - |
| 0370 442 | Allocated | TalkTalk Communications Limited | 07/2008 |
| 0370 443 | Allocated | TalkTalk Communications Limited | 07/2008 |
| 0370 444 | Allocated | TalkTalk Communications Limited | 07/2008 |
| 0370 445 | Protected | - | - |
| 0370 446 | Allocated | Digital Mail Limited | 04/2008 |
| 0370 447 | Protected | - | - |
| 0370 448 | Allocated | iNet Telecoms Ltd (Voipfone) | 12/2013 |
| 0370 449 | Protected | - | - |
| 0370 450 | Protected | - | - |
| 0370 451 | Protected | - | - |
| 0370 452 | Protected | - | - |
| 0370 453 | Protected | - | - |
| 0370 454 | Protected | - | - |
| 0370 455 | Protected | - | - |
| 0370 456 | Protected | - | - |
| 0370 457 | Protected | - | - |
| 0370 458 | Allocated | TalkTalk Communications Limited | 07/2008 |
| 0370 459 | Protected | - | - |
| 0370 460 | Allocated | TalkTalk Communications Limited | 07/2008 |
| 0370 461 | Protected | - | - |
| 0370 462 | Protected | - | - |
| 0370 463 | Protected | - | - |
| 0370 464 | Allocated | Vodafone Ltd (Energis) | 04/2007 |
| 0370 465 | Allocated | Gamma Telecom Holdings Ltd | 03/2014 |
| 0370 466 | Protected | - | - |
| 0370 467 | Protected | - | - |
| 0370 468 | Allocated | TTNC Limited | 04/2007 |
| 0370 469 | Protected | - | - |
| 0370 470 | Protected | - | - |
| 0370 471 | Allocated | Magrathea Telecommunications Limited | 11/2007 |
| 0370 472 | Allocated | Edge Telecom Limited | 09/2007 |
| 0370 473 | Protected | - | - |
| 0370 474 | Allocated | Barritel Limited | 04/2007 |
| 0370 475 | Protected | - | - |
| 0370 476 | Protected | - | - |
| 0370 477 | Allocated | Affiniti Integrated Solutions Ltd | 02/2009 |
| 0370 478 | Allocated | Magrathea Telecommunications Limited | 11/2007 |
| 0370 479 | Allocated | Magrathea Telecommunications Limited | 11/2007 |
| 0370 480 | Protected | - | - |
| 0370 481 | Allocated | TalkTalk Communications Limited | 07/2008 |
| 0370 482 | Protected | - | - |
| 0370 483 | Protected | - | - |
| 0370 484 | Allocated | Vodafone Ltd (Energis) | 04/2007 |
| 0370 485 | Protected | - | - |
| 0370 486 | Allocated | Edge Telecom Limited | 09/2007 |
| 0370 487 | Allocated | Vodafone Ltd (C&W) | 05/2009 |
| 0370 488 | Allocated | LegendTel LLC | 05/2009 |
| 0370 489 | Protected | - | - |
| 0370 490 | Allocated | Magrathea Telecommunications Limited | 11/2007 |
| 0370 491 | Allocated | Invomo Ltd | 10/2007 |
| 0370 492 | Protected | - | - |
| 0370 493 | Protected | - | - |
| 0370 494 | Protected | - | - |
| 0370 495 | Allocated | Magrathea Telecommunications Limited | 02/2012 |
| 0370 496 | Allocated | Level 3 Communications UK Limited | 04/2007 |
| 0370 497 | Protected | - | - |
| 0370 498 | Protected | - | - |
| 0370 499 | Protected | - | - |