This page contains information about which telephone companies the various 0743 numbers are allocated to.
| First Digits | Status | Communications Provider | Use | Change |
|---|---|---|---|---|
| 074300 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074301 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074302 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074303 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074304 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074305 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074306 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074307 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074308 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074309 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074310 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074311 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074312 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074313 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074314 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074315 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074316 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074317 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074318 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074319 | Allocated | Telefonica UK Limited | Mobile services | 06/2010 |
| 074320 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074321 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074322 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074323 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074324 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074325 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074326 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074327 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074328 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074329 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074330 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074331 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074332 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074333 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074334 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074335 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074336 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074337 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074338 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074339 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074340 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074341 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074342 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074343 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074344 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074345 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074346 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074347 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074348 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074349 | Allocated | EE Limited ( TM) | Mobile services | 07/2010 |
| 074350 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074351 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074352 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074353 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074354 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074355 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074356 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074357 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074358 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074359 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074360 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074361 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074362 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074363 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074364 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074365 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074366 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074367 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074368 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074369 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074370 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074371 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074372 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074373 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074374 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074375 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074376 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074377 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074378 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074379 | Allocated | Vodafone Uk Ltd | Mobile services | 07/2010 |
| 074380 | Allocated | Lycamobile UK Limited | Mobile services | 09/2010 |
| 074381 | Allocated | Lycamobile UK Limited | Mobile services | 09/2010 |
| 074382 | Allocated | Lycamobile UK Limited | Mobile services | 09/2010 |
| 074383 | Allocated | Lycamobile UK Limited | Mobile services | 09/2010 |
| 074384 | Allocated | Lycamobile UK Limited | Mobile services | 09/2010 |
| 074385 | Allocated | Lycamobile UK Limited | Mobile services | 09/2010 |
| 074386 | Allocated | Lycamobile UK Limited | Mobile services | 09/2010 |
| 074387 | Allocated | Lycamobile UK Limited | Mobile services | 09/2010 |
| 074388 | Allocated | Lycamobile UK Limited | Mobile services | 09/2010 |
| 074389 | Allocated | Lycamobile UK Limited | Mobile services | 09/2010 |
| 074390 | Allocated | TalkTalk Communications Limited | Mobile services | 08/2010 |
| 074391 | Allocated | TalkTalk Communications Limited | Mobile services | 08/2010 |
| 074392 | Reserved | Withheld | Mobile services | - |
| 074393 | Reserved | Withheld | Mobile services | - |
| 074394 | Reserved | Withheld | Mobile services | - |
| 074395 | Reserved | Withheld | Mobile services | - |
| 074396 | Reserved | Withheld | Mobile services | - |
| 074397 | Reserved | Withheld | Mobile services | - |
| 074398 | Reserved | Withheld | Mobile services | - |
| 074399 | Reserved | Withheld | Mobile services | - |