This page contains information about which telephone companies the various 01133 numbers are allocated to.
| First Digits | Status | Communications Provider | Number Length | Notes | Change |
|---|---|---|---|---|---|
| 0113 300 | Allocated | Virgin Media Limited | 3+7 | - | 14/01/1998 |
| 0113 301 | Allocated | Verizon UK Ltd | 3+7 | - | 12/07/1999 |
| 0113 302 | Allocated | Inclarity Communications Ltd | 3+7 | F-Digit '0,1,2,3,4,5,6' | 27/01/2003 |
| 0113 303 | Allocated | Vodafone Ltd (YC) | 3+7 | - | 03/10/2001 |
| 0113 304 | Allocated | Icron Network Limited | 3+7 | - | 14/08/2006 |
| 0113 305 | Allocated | Virgin Media Limited | 3+7 | - | 01/08/1997 |
| 0113 306 | Allocated | BT | 3+7 | - | 27/11/1998 |
| 0113 307 | Allocated | BT | 3+7 | - | 19/07/1999 |
| 0113 308 | Allocated | Vodafone Ltd (Thus) | 3+7 | - | 10/08/2011 |
| 0113 309 | Protected | - | 3+7 | - | - |
| 0113 310 | Allocated | Net-Work Internet Ltd | 3+7 | F-Digit '0' | 21/09/2007 |
| 0113 311 | Allocated | Eircom UK Ltd | 3+7 | F-Digit '5' | 02/07/2007 |
| 0113 312 | Allocated | Invomo Ltd | 3+7 | F-Digit '0' | 30/01/2008 |
| 0113 313 | Allocated | Need More Time Ltd | 3+7 | F-Digit '0,1' | 17/07/2007 |
| 0113 314 | Allocated | Vodafone Ltd (C&W) | 3+7 | F-Digit '0,1,2,3,4,5,6,7,8,9' | 22/02/2010 |
| 0113 315 | Allocated | QX Telecom Ltd | 3+7 | F-Digit '3' | 17/10/2007 |
| 0113 316 | Allocated | Premium O Limited | 3+7 | F-Digit '7' | 28/12/2007 |
| 0113 317 | Allocated | Skymaker Limited | 3+7 | F-Digit '0' | 16/01/2008 |
| 0113 318 | Allocated | TalkTalk Communications Limited | 3+7 | F-Digit '8' | 08/05/2007 |
| 0113 319 | Allocated | Solutios Limited | 3+7 | F-Digit '2' | 19/08/2008 |
| 0113 320 | Allocated | Telephony Services Limited | 3+7 | - | 29/10/2004 |
| 0113 321 | Allocated | TalkTalk Communications Limited | 3+7 | - | 19/04/2004 |
| 0113 322 | Allocated | Gamma Telecom Holdings Ltd | 3+7 | F-Digits '0,1,2,3,4,5,6,7,8,9' | 01/03/2004 |
| 0113 323 | Allocated | Gamma Telecom Holdings Ltd | 3+7 | F-Digits '0,1,7' | 04/08/2004 |
| 0113 324 | Allocated | Vodafone Ltd (C&W) | 3+7 | F-Digit '0,1,2,3,4,5,6,7,8,9' | 22/02/2010 |
| 0113 325 | Protected | - | 3+7 | - | - |
| 0113 326 | Allocated | Vodafone Uk Ltd | 3+7 | - | 24/03/2005 |
| 0113 327 | Allocated | Invomo Ltd | 3+7 | - | 30/01/2008 |
| 0113 328 | Allocated | Wavecrest (UK) Ltd | 3+7 | - | 03/12/2004 |
| 0113 329 | Allocated | Linear Telecoms Limited | 3+7 | F-Digit '0' | 01/02/2008 |
| 0113 330 | Allocated | TG Support Limited | 3+7 | - | 07/07/2006 |
| 0113 331 | Allocated | Six Degrees Unified Comms Limited | 3+7 | F-Digit '4' | 13/04/2005 |
| 0113 332 | Allocated | X-Pilot Limited | 3+7 | F-Digit '0' | 29/07/2004 |
| 0113 333 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 17/10/2003 |
| 0113 334 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 17/10/2003 |
| 0113 335 | Allocated | Edge Telecom Limited | 3+7 | - | 07/01/2005 |
| 0113 336 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 16/03/2002 |
| 0113 337 | Allocated | BT | 3+7 | F-Digit '0,1,2,3,4,' | 22/07/2014 |
| 0113 338 | Allocated | Vodafone Ltd (Energis) | 3+7 | - | 26/05/2006 |
| 0113 339 | Allocated | Telecom2 Ltd | 3+7 | F-Digit '6' | 01/09/2009 |
| 0113 340 | Allocated | Tipicall Limited | 3+7 | F-Digits '01,2,3,4' | 23/10/2014 |
| 0113 341 | Allocated | Level 3 Communications UK Limited | 3+7 | - | 08/10/2003 |
| 0113 342 | Allocated | Citrus Telecommunications Ltd | 3+7 | - | 02/08/2005 |
| 0113 343 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 09/01/2002 |
| 0113 344 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 09/01/2002 |
| 0113 345 | Allocated | TalkTalk Communications Limited | 3+7 | F-Digit '0,3,6,7,8,9' | 25/05/2005 |
| 0113 346 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 02/03/2001 |
| 0113 347 | Allocated | TTNC Limited | 3+7 | F-Digits '0,1,2,3,4,5,6,7,8,9' | 29/11/2005 |
| 0113 348 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 12/12/2002 |
| 0113 349 | Allocated | BT | 3+7 | - | 12/10/2004 |
| 0113 350 | Allocated | Magrathea Telecommunications Limited | 3+7 | - | 22/06/2004 |
| 0113 351 | Allocated | IV Response Limited | 3+7 | - | 04/07/2005 |
| 0113 352 | Allocated | Syntec Limited | 3+7 | - | 16/03/2005 |
| 0113 353 | Allocated | iHub UK Ltd | 3+7 | - | 14/08/2013 |
| 0113 354 | Allocated | Danemere Street Creative | 3+7 | - | 27/10/2004 |
| 0113 355 | Allocated | Connect Telecom UK Ltd | 3+7 | - | 18/04/2005 |
| 0113 356 | Allocated | Nexus Telecommunications Limited | 3+7 | - | 16/05/2005 |
| 0113 357 | Allocated | Easynet Enterprise Services Limited | 3+7 | - | 01/08/2005 |
| 0113 358 | Allocated | Digitech Solutions Global Limited | 3+7 | - | 06/09/2010 |
| 0113 359 | Allocated | Coms.Com Ltd | 3+7 | - | 13/02/2006 |
| 0113 360 | Allocated | COLT Technology Services | 3+7 | - | 06/10/1998 |
| 0113 361 | Allocated | Daisy Communications Ltd | 3+7 | - | 15/12/2011 |
| 0113 362 | Allocated | Vodafone Ltd (C&W) | 3+7 | F-Digit '0,1,2,3,4,5,6,7,8,9' | 01/02/2010 |
| 0113 363 | Allocated | Virgin Media Limited | 3+7 | - | 28/10/2009 |
| 0113 364 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 17/10/2003 |
| 0113 365 | Allocated | FleXtel Limited | 3+7 | - | 17/06/2005 |
| 0113 366 | Allocated | Vodafone Ltd (C&W) | 3+7 | F-Digit '0,1,2,3,4,5,6,7,8,9' | 01/02/2010 |
| 0113 367 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 10/05/1999 |
| 0113 368 | Allocated | Virgin Media Limited | 3+7 | - | 10/10/1997 |
| 0113 369 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 02/05/2000 |
| 0113 370 | Allocated | TelXL Ltd | 3+7 | - | 25/04/2005 |
| 0113 371 | Allocated | Griffin Information Systems Ltd | 3+7 | - | 08/06/2005 |
| 0113 372 | Allocated | VoiceHost Limited | 3+7 | F-Digit '0' | 22/06/2010 |
| 0113 373 | Allocated | Served Up Limited. | 3+7 | - | 03/06/2008 |
| 0113 374 | Allocated | Net Solutions Europe Limited | 3+7 | - | 08/12/2005 |
| 0113 375 | Allocated | Reality Network Services Limited | 3+7 | - | 18/07/2005 |
| 0113 376 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 29/07/2005 |
| 0113 377 | Allocated | Invomo Ltd | 3+7 | - | 31/07/2007 |
| 0113 378 | Allocated | Virgin Media Limited | 3+7 | - | 20/12/2011 |
| 0113 379 | Allocated | Netfuse Telecom Ltd | 3+7 | F-Digit '0,1' | 24/05/2013 |
| 0113 380 | Allocated | BT | 3+7 | - | 28/01/1998 |
| 0113 381 | Allocated | BT | 3+7 | - | 29/05/1998 |
| 0113 382 | Allocated | BT | 3+7 | - | 27/08/1998 |
| 0113 383 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 14/04/1998 |
| 0113 384 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 14/04/1998 |
| 0113 385 | Allocated | BT | 3+7 | - | 11/08/1998 |
| 0113 386 | Allocated | BT | 3+7 | - | 08/06/1998 |
| 0113 387 | Allocated | BT | 3+7 | - | 12/02/1998 |
| 0113 388 | Allocated | BT | 3+7 | - | 05/08/1997 |
| 0113 389 | Allocated | BT | 3+7 | - | 17/12/1997 |
| 0113 390 | Allocated | BT | 3+7 | - | 02/06/1997 |
| 0113 391 | Allocated | BT | 3+7 | - | 15/09/1998 |
| 0113 392 | Allocated | Virgin Media Limited | 3+7 | - | 12/05/1997 |
| 0113 393 | Allocated | BT | 3+7 | - | 21/07/1997 |
| 0113 394 | Allocated | BT | 3+7 | - | 14/04/1999 |
| 0113 395 | Allocated | BT | 3+7 | - | 03/09/1999 |
| 0113 396 | Allocated | Orange Business Holdings UK Limited | 3+7 | F-Digit '2' | 05/11/1999 |
| 0113 397 | Allocated | BT | 3+7 | - | 29/11/2001 |
| 0113 398 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 14/04/1998 |
| 0113 399 | Allocated | Affiniti Integrated Solutions Ltd | 3+7 | - | 11/09/1997 |