This page contains information about which telephone companies the various 01306 numbers are allocated to.
| First Digits | Status | Communications Provider | Number Length | Notes | Change |
|---|---|---|---|---|---|
| 01306 00 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 01 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 02 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 03 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 04 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 05 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 06 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 07 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 08 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 09 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 10 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 11 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 12 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 13 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 14 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 15 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 16 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 17 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 18 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 19 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01306 20 | Allocated | (aq) Limited trading as aql | 4+6 | - | 03/10/2007 |
| 01306 21 | Allocated | Timico Limited | 4+6 | F-Digit '8' | 30/11/2007 |
| 01306 22 | Allocated | VoIP-Un Limited | 4+6 | F-Digit '0' | 29/10/2007 |
| 01306 230 | Allocated | Voxbone SA | 4+6 | - | 08/12/2011 |
| 01306 231 | Protected | - | 4+6 | - | - |
| 01306 232 | Protected | - | 4+6 | - | - |
| 01306 233 | Protected | - | 4+6 | - | - |
| 01306 234 | Protected | - | 4+6 | - | - |
| 01306 235 | Protected | - | 4+6 | - | - |
| 01306 236 | Protected | - | 4+6 | - | - |
| 01306 237 | Protected | - | 4+6 | - | - |
| 01306 238 | Protected | - | 4+6 | - | - |
| 01306 239 | Protected | - | 4+6 | - | - |
| 01306 240 | Allocated | Nodemax Limited | 4+6 | - | 15/07/2008 |
| 01306 241 | Allocated | TalkTalk Communications Limited | 4+6 | - | 28/07/2008 |
| 01306 242 | Allocated | Solutios Limited | 4+6 | - | 18/09/2008 |
| 01306 243 | Allocated | Premium O Limited | 4+6 | - | 08/01/2009 |
| 01306 244 | Allocated | Net-Work Internet Ltd | 4+6 | - | 23/06/2008 |
| 01306 245 | Allocated | Mars Communications Limited | 4+6 | - | 03/02/2009 |
| 01306 246 | Allocated | Telecom2 Ltd | 4+6 | - | 10/09/2009 |
| 01306 247 | Allocated | IPV6 Limited | 4+6 | - | 03/02/2009 |
| 01306 248 | Allocated | 3C Limited | 4+6 | - | 10/09/2008 |
| 01306 249 | Allocated | Andrews & Arnold (Numbers) Ltd | 4+6 | - | 03/03/2009 |
| 01306 250 | Allocated | Known Communications Limited | 4+6 | - | 16/09/2009 |
| 01306 251 | Allocated | Telecoms World Plc | 4+6 | - | 12/03/2009 |
| 01306 252 | Allocated | British Sky Broadcasting Limited | 4+6 | - | 15/04/2009 |
| 01306 253 | Allocated | X-Pilot Limited | 4+6 | - | 16/06/2009 |
| 01306 254 | Allocated | Mundio Mobile Limited | 4+6 | - | 06/07/2009 |
| 01306 255 | Allocated | Nexus Telecommunications Limited | 4+6 | - | 25/09/2009 |
| 01306 256 | Allocated | CFL Communications Limited | 4+6 | - | 07/07/2009 |
| 01306 257 | Allocated | iNet Telecoms Ltd (Voipfone) | 4+6 | - | 05/08/2009 |
| 01306 258 | Allocated | Invomo Ltd | 4+6 | - | 04/12/2009 |
| 01306 259 | Allocated | British Sky Broadcasting Limited | 4+6 | - | 23/10/2014 |
| 01306 260 | Allocated | Wightfibre Limited | 4+6 | - | 07/01/2010 |
| 01306 261 | Allocated | i-Net Communications Group Plc | 4+6 | - | 12/01/2010 |
| 01306 262 | Allocated | Orbis Telecom | 4+6 | - | 15/12/2009 |
| 01306 263 | Allocated | Atomstream Limited | 4+6 | - | 26/02/2010 |
| 01306 264 | Allocated | Buzz Networks Limited | 4+6 | - | 01/03/2010 |
| 01306 265 | Allocated | Digitech Solutions Global Limited | 4+6 | - | 28/04/2010 |
| 01306 266 | Allocated | Suretec Systems Ltd | 4+6 | - | 04/05/2010 |
| 01306 267 | Allocated | Verizon UK Ltd | 4+6 | - | 05/05/2010 |
| 01306 268 | Allocated | Telappliant Ltd | 4+6 | - | 01/06/2010 |
| 01306 269 | Allocated | Calltracks Limited | 4+6 | - | 08/07/2010 |
| 01306 270 | Allocated | Windsor Telecom Plc | 4+6 | - | 20/07/2010 |
| 01306 271 | Allocated | Core Telecom Limited | 4+6 | - | 05/08/2010 |
| 01306 272 | Allocated | VoiceHost Limited | 4+6 | - | 27/08/2010 |
| 01306 273 | Allocated | Telephone Box Limited | 4+6 | - | 18/11/2010 |
| 01306 274 | Allocated | Cheers International Sales Limited | 4+6 | - | 14/12/2010 |
| 01306 275 | Allocated | Phone Co-Op Numbering Limited | 4+6 | - | 16/12/2010 |
| 01306 276 | Allocated | Globecom International Limited | 4+6 | - | 29/12/2010 |
| 01306 277 | Allocated | Numbergroup Network Ltd | 4+6 | - | 08/11/2010 |
| 01306 278 | Allocated | Invosys Limited | 4+6 | - | 18/01/2011 |
| 01306 279 | Allocated | IP Base Ltd | 4+6 | - | 03/02/2011 |
| 01306 280 | Allocated | Nexbridge Communications Limited | 4+6 | - | 15/03/2011 |
| 01306 281 | Free | - | 4+6 | - | - |
| 01306 282 | Allocated | Hello Telecom (UK) PLC | 4+6 | - | 08/06/2011 |
| 01306 283 | Allocated | Tesla Dynamic Ltd | 4+6 | - | 07/07/2011 |
| 01306 284 | Allocated | Orbtalk Limited | 4+6 | - | 15/09/2011 |
| 01306 285 | Allocated | Barritec Limited | 4+6 | - | 20/09/2011 |
| 01306 286 | Allocated | Invoco Ltd | 4+6 | - | 20/09/2011 |
| 01306 287 | Allocated | Minotaur Telecom Limited | 4+6 | - | 24/11/2011 |
| 01306 288 | Allocated | Internexus Networks Limited | 4+6 | - | 21/11/2011 |
| 01306 289 | Protected | - | 4+6 | - | - |
| 01306 290 | Allocated | TG Support Limited | 4+6 | - | 20/06/2012 |
| 01306 291 | Allocated | ICC Networks Ltd | 4+6 | - | 13/04/2012 |
| 01306 292 | Allocated | Orange Business Holdings UK Limited | 4+6 | - | 13/07/2012 |
| 01306 293 | Allocated | IOVOX Limited | 4+6 | - | 02/07/2012 |
| 01306 294 | Allocated | Ziron (UK) Ltd | 4+6 | - | 30/07/2012 |
| 01306 295 | Allocated | iHub UK Ltd | 4+6 | - | 14/08/2013 |
| 01306 296 | Allocated | Broadcast Telecom Ltd | 4+6 | - | 10/02/2012 |
| 01306 297 | Allocated | API Telecom Limited | 4+6 | - | 26/03/2012 |
| 01306 298 | Allocated | Simwood eSMS Limited | 4+6 | - | 01/02/2012 |
| 01306 299 | Allocated | Bicom Systems EURL | 4+6 | - | 01/03/2012 |
| 01306 300 | Allocated | We Love Communications Limited | 4+6 | - | 08/08/2012 |
| 01306 301 | Allocated | Radius Communications Limited | 4+6 | - | 08/01/2014 |
| 01306 302 | Allocated | Kalnet4u Ltd | 4+6 | - | 10/05/2013 |
| 01306 303 | Allocated | Content Guru Ltd | 4+6 | - | 12/10/2012 |
| 01306 304 | Free | - | 4+6 | - | - |
| 01306 305 | Free | - | 4+6 | - | - |
| 01306 306 | Allocated | COLT Technology Services | 4+6 | - | 30/01/2013 |
| 01306 307 | Free | - | 4+6 | - | - |
| 01306 308 | Allocated | IOVOX Limited | 4+6 | - | 02/07/2012 |
| 01306 309 | Allocated | XoverX Ltd | 4+6 | - | 01/05/2013 |
| 01306 310 | Protected | - | 4+6 | - | - |
| 01306 311 | Protected | - | 4+6 | - | - |
| 01306 312 | Protected | - | 4+6 | - | - |
| 01306 313 | Protected | - | 4+6 | - | - |
| 01306 314 | Protected | - | 4+6 | - | - |
| 01306 315 | Protected | - | 4+6 | - | - |
| 01306 316 | Protected | - | 4+6 | - | - |
| 01306 317 | Protected | - | 4+6 | - | - |
| 01306 318 | Protected | - | 4+6 | - | - |
| 01306 319 | Protected | - | 4+6 | - | - |
| 01306 320 | Protected | - | 4+6 | - | - |
| 01306 321 | Protected | - | 4+6 | - | - |
| 01306 322 | Protected | - | 4+6 | - | - |
| 01306 323 | Protected | - | 4+6 | - | - |
| 01306 324 | Protected | - | 4+6 | - | - |
| 01306 325 | Protected | - | 4+6 | - | - |
| 01306 326 | Protected | - | 4+6 | - | - |
| 01306 327 | Protected | - | 4+6 | - | - |
| 01306 328 | Protected | - | 4+6 | - | - |
| 01306 329 | Protected | - | 4+6 | - | - |
| 01306 330 | Protected | - | 4+6 | - | - |
| 01306 331 | Protected | - | 4+6 | - | - |
| 01306 332 | Protected | - | 4+6 | - | - |
| 01306 333 | Protected | - | 4+6 | - | - |
| 01306 334 | Protected | - | 4+6 | - | - |
| 01306 335 | Protected | - | 4+6 | - | - |
| 01306 336 | Protected | - | 4+6 | - | - |
| 01306 337 | Protected | - | 4+6 | - | - |
| 01306 338 | Protected | - | 4+6 | - | - |
| 01306 339 | Protected | - | 4+6 | - | - |
| 01306 340 | Protected | - | 4+6 | - | - |
| 01306 341 | Protected | - | 4+6 | - | - |
| 01306 342 | Protected | - | 4+6 | - | - |
| 01306 343 | Protected | - | 4+6 | - | - |
| 01306 344 | Protected | - | 4+6 | - | - |
| 01306 345 | Protected | - | 4+6 | - | - |
| 01306 346 | Protected | - | 4+6 | - | - |
| 01306 347 | Protected | - | 4+6 | - | - |
| 01306 348 | Protected | - | 4+6 | - | - |
| 01306 349 | Protected | - | 4+6 | - | - |
| 01306 350 | Protected | - | 4+6 | - | - |
| 01306 351 | Protected | - | 4+6 | - | - |
| 01306 352 | Protected | - | 4+6 | - | - |
| 01306 353 | Protected | - | 4+6 | - | - |
| 01306 354 | Protected | - | 4+6 | - | - |
| 01306 355 | Protected | - | 4+6 | - | - |
| 01306 356 | Protected | - | 4+6 | - | - |
| 01306 357 | Protected | - | 4+6 | - | - |
| 01306 358 | Protected | - | 4+6 | - | - |
| 01306 359 | Protected | - | 4+6 | - | - |
| 01306 360 | Protected | - | 4+6 | - | - |
| 01306 361 | Protected | - | 4+6 | - | - |
| 01306 362 | Protected | - | 4+6 | - | - |
| 01306 363 | Protected | - | 4+6 | - | - |
| 01306 364 | Protected | - | 4+6 | - | - |
| 01306 365 | Protected | - | 4+6 | - | - |
| 01306 366 | Protected | - | 4+6 | - | - |
| 01306 367 | Protected | - | 4+6 | - | - |
| 01306 368 | Protected | - | 4+6 | - | - |
| 01306 369 | Protected | - | 4+6 | - | - |
| 01306 370 | Protected | - | 4+6 | - | - |
| 01306 371 | Protected | - | 4+6 | - | - |
| 01306 372 | Protected | - | 4+6 | - | - |
| 01306 373 | Protected | - | 4+6 | - | - |
| 01306 374 | Protected | - | 4+6 | - | - |
| 01306 375 | Protected | - | 4+6 | - | - |
| 01306 376 | Protected | - | 4+6 | - | - |
| 01306 377 | Protected | - | 4+6 | - | - |
| 01306 378 | Protected | - | 4+6 | - | - |
| 01306 379 | Protected | - | 4+6 | - | - |
| 01306 380 | Protected | - | 4+6 | - | - |
| 01306 381 | Protected | - | 4+6 | - | - |
| 01306 382 | Protected | - | 4+6 | - | - |
| 01306 383 | Protected | - | 4+6 | - | - |
| 01306 384 | Protected | - | 4+6 | - | - |
| 01306 385 | Protected | - | 4+6 | - | - |
| 01306 386 | Protected | - | 4+6 | - | - |
| 01306 387 | Protected | - | 4+6 | - | - |
| 01306 388 | Protected | - | 4+6 | - | - |
| 01306 389 | Protected | - | 4+6 | - | - |
| 01306 390 | Protected | - | 4+6 | - | - |
| 01306 391 | Protected | - | 4+6 | - | - |
| 01306 392 | Protected | - | 4+6 | - | - |
| 01306 393 | Protected | - | 4+6 | - | - |
| 01306 394 | Protected | - | 4+6 | - | - |
| 01306 395 | Protected | - | 4+6 | - | - |
| 01306 396 | Protected | - | 4+6 | - | - |
| 01306 397 | Protected | - | 4+6 | - | - |
| 01306 398 | Protected | - | 4+6 | - | - |
| 01306 399 | Protected | - | 4+6 | - | - |
| 01306 40 | Allocated | Telephony Services Limited | 4+6 | - | 01/11/2004 |
| 01306 410 | Allocated | Linear Telecoms Limited | 4+6 | - | 07/10/2010 |
| 01306 411 | Protected | - | 4+6 | - | - |
| 01306 412 | Protected | - | 4+6 | - | - |
| 01306 413 | Protected | - | 4+6 | - | - |
| 01306 414 | Protected | - | 4+6 | - | - |
| 01306 415 | Protected | - | 4+6 | - | - |
| 01306 416 | Protected | - | 4+6 | - | - |
| 01306 417 | Protected | - | 4+6 | - | - |
| 01306 418 | Protected | - | 4+6 | - | - |
| 01306 419 | Protected | - | 4+6 | - | - |
| 01306 42 | Allocated | Danemere Street Creative | 4+6 | - | 02/11/2004 |
| 01306 43 | Allocated | FleXtel Limited | 4+6 | - | 20/10/2005 |
| 01306 44 | Allocated | Edge Telecom Limited | 4+6 | - | 16/03/2005 |
| 01306 450 | Protected | - | 4+6 | - | - |
| 01306 451 | Protected | - | 4+6 | - | - |
| 01306 452 | Protected | - | 4+6 | - | - |
| 01306 453 | Protected | - | 4+6 | - | - |
| 01306 454 | Protected | - | 4+6 | - | - |
| 01306 455 | Protected | - | 4+6 | - | - |
| 01306 456 | Protected | - | 4+6 | - | - |
| 01306 457 | Protected | - | 4+6 | - | - |
| 01306 458 | Protected | - | 4+6 | - | - |
| 01306 459 | Protected | - | 4+6 | - | - |
| 01306 460 | Protected | - | 4+6 | - | - |
| 01306 461 | Protected | - | 4+6 | - | - |
| 01306 462 | Protected | - | 4+6 | - | - |
| 01306 463 | Protected | - | 4+6 | - | - |
| 01306 464 | Protected | - | 4+6 | - | - |
| 01306 465 | Protected | - | 4+6 | - | - |
| 01306 466 | Protected | - | 4+6 | - | - |
| 01306 467 | Protected | - | 4+6 | - | - |
| 01306 468 | Protected | - | 4+6 | - | - |
| 01306 469 | Protected | - | 4+6 | - | - |
| 01306 47 | Allocated | Vodafone Ltd (Energis) | 4+6 | - | 26/05/2006 |
| 01306 48 | Allocated | Citrus Telecommunications Ltd | 4+6 | F-Digit '2' | 11/04/2006 |
| 01306 490 | Protected | - | 4+6 | - | - |
| 01306 491 | Protected | - | 4+6 | - | - |
| 01306 492 | Protected | - | 4+6 | - | - |
| 01306 493 | Protected | - | 4+6 | - | - |
| 01306 494 | Protected | - | 4+6 | - | - |
| 01306 495 | Protected | - | 4+6 | - | - |
| 01306 496 | Protected | - | 4+6 | - | - |
| 01306 497 | Protected | - | 4+6 | - | - |
| 01306 498 | Protected | - | 4+6 | - | - |
| 01306 499 | Protected | - | 4+6 | - | - |
| 01306 50 | Allocated | Virgin Media Limited | 4+6 | - | 21/03/1995 |
| 01306 51 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 04/02/2010 |
| 01306 52 | Allocated | Danemere Street Creative | 4+6 | F-Digit '2' | 28/06/2006 |
| 01306 53 | Allocated | TelNG Limited | 4+6 | F-Digit '2' | 26/02/2007 |
| 01306 54 | Allocated | Net Solutions Europe Limited | 4+6 | F-Digit '4' | 26/01/2006 |
| 01306 550 | Protected | - | 4+6 | - | - |
| 01306 551 | Allocated | Virgin Media Limited | 4+6 | - | 29/06/2012 |
| 01306 552 | Allocated | Virgin Media Limited | 4+6 | - | 29/06/2012 |
| 01306 553 | Allocated | Virgin Media Limited | 4+6 | - | 29/06/2012 |
| 01306 554 | Allocated | Virgin Media Limited | 4+6 | - | 29/06/2012 |
| 01306 555 | Protected | - | 4+6 | - | - |
| 01306 556 | Protected | - | 4+6 | - | - |
| 01306 557 | Protected | - | 4+6 | - | - |
| 01306 558 | Protected | - | 4+6 | - | - |
| 01306 559 | Protected | - | 4+6 | - | - |
| 01306 560 | Protected | - | 4+6 | - | - |
| 01306 561 | Protected | - | 4+6 | - | - |
| 01306 562 | Protected | - | 4+6 | - | - |
| 01306 563 | Protected | - | 4+6 | - | - |
| 01306 564 | Allocated | Six Degrees Unified Comms Limited | 4+6 | - | 18/07/2005 |
| 01306 565 | Protected | - | 4+6 | - | - |
| 01306 566 | Protected | - | 4+6 | - | - |
| 01306 567 | Protected | - | 4+6 | - | - |
| 01306 568 | Protected | - | 4+6 | - | - |
| 01306 569 | Protected | - | 4+6 | - | - |
| 01306 570 | Protected | - | 4+6 | - | - |
| 01306 571 | Protected | - | 4+6 | - | - |
| 01306 572 | Protected | - | 4+6 | - | - |
| 01306 573 | Protected | - | 4+6 | - | - |
| 01306 574 | Protected | - | 4+6 | - | - |
| 01306 575 | Protected | - | 4+6 | - | - |
| 01306 576 | Protected | - | 4+6 | - | - |
| 01306 577 | Allocated | Spitfire Network Services Ltd | 4+6 | - | 09/11/2011 |
| 01306 578 | Protected | - | 4+6 | - | - |
| 01306 579 | Protected | - | 4+6 | - | - |
| 01306 58 | Allocated | TTNC Limited | 4+6 | F-Digits '0,1,2,3,4,5,6,7,8,9' | 24/01/2006 |
| 01306 59 | Allocated | Localphone Limited | 4+6 | F-Digit '0' | 23/04/2007 |
| 01306 600 | Protected | - | 4+6 | - | - |
| 01306 601 | Protected | - | 4+6 | - | - |
| 01306 602 | Protected | - | 4+6 | - | - |
| 01306 603 | Protected | - | 4+6 | - | - |
| 01306 604 | Protected | - | 4+6 | - | - |
| 01306 605 | Protected | - | 4+6 | - | - |
| 01306 606 | Protected | - | 4+6 | - | - |
| 01306 607 | Protected | - | 4+6 | - | - |
| 01306 608 | Protected | - | 4+6 | - | - |
| 01306 609 | Protected | - | 4+6 | - | - |
| 01306 61 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01306 62 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01306 63 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01306 64 | Allocated | BT | 4+6 | - | 14/04/1999 |
| 01306 65 | Allocated | BT | 4+6 | - | 20/03/1995 |
| 01306 66 | Allocated | Served Up Limited. | 4+6 | F-Digit '6' | 15/05/2008 |
| 01306 670 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 02/08/2000 |
| 01306 671 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 02/08/2000 |
| 01306 672 | Protected | - | 4+6 | - | - |
| 01306 673 | Protected | - | 4+6 | - | - |
| 01306 674 | Protected | - | 4+6 | - | - |
| 01306 675 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 02/08/2000 |
| 01306 676 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 02/08/2000 |
| 01306 677 | Protected | - | 4+6 | - | - |
| 01306 678 | Protected | - | 4+6 | - | - |
| 01306 679 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 02/08/2000 |
| 01306 680 | Protected | - | 4+6 | - | - |
| 01306 681 | Protected | - | 4+6 | - | - |
| 01306 682 | Protected | - | 4+6 | - | - |
| 01306 683 | Protected | - | 4+6 | - | - |
| 01306 684 | Protected | - | 4+6 | - | - |
| 01306 685 | Protected | - | 4+6 | - | - |
| 01306 686 | Protected | - | 4+6 | - | - |
| 01306 687 | Protected | - | 4+6 | - | - |
| 01306 688 | Protected | - | 4+6 | - | - |
| 01306 689 | Protected | - | 4+6 | - | - |
| 01306 69 | Allocated | InTechnology Plc | 4+6 | - | 07/06/2007 |
| 01306 700 | Allocated | Inclarity Communications Ltd | 4+6 | - | 31/05/2011 |
| 01306 701 | Allocated | Inclarity Communications Ltd | 4+6 | - | 31/05/2011 |
| 01306 702 | Allocated | Inclarity Communications Ltd | 4+6 | - | 31/05/2011 |
| 01306 703 | Protected | - | 4+6 | - | - |
| 01306 704 | Protected | - | 4+6 | - | - |
| 01306 705 | Allocated | Inclarity Communications Ltd | 4+6 | - | 31/05/2011 |
| 01306 706 | Protected | - | 4+6 | - | - |
| 01306 707 | Protected | - | 4+6 | - | - |
| 01306 708 | Protected | - | 4+6 | - | - |
| 01306 709 | Protected | - | 4+6 | - | - |
| 01306 71 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01306 72 | Allocated | Easynet Enterprise Services Limited | 4+6 | - | 19/05/2005 |
| 01306 73 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01306 74 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01306 75 | Allocated | Starcomm Ltd | 4+6 | F-Digit '0' | 22/05/2007 |
| 01306 76 | Allocated | Reality Network Services Limited | 4+6 | - | 18/07/2005 |
| 01306 77 | Allocated | Gamma Telecom Holdings Ltd | 4+6 | - | 08/04/2005 |
| 01306 78 | Allocated | Syntec Limited | 4+6 | - | 15/11/2005 |
| 01306 79 | Allocated | Frontier Systems Ltd | 4+6 | F-Digit '3' | 30/07/2007 |
| 01306 800 | Protected | - | 4+6 | - | - |
| 01306 801 | Protected | - | 4+6 | - | - |
| 01306 802 | Protected | - | 4+6 | - | - |
| 01306 803 | Allocated | Coms.Com Ltd | 4+6 | - | 19/05/2006 |
| 01306 804 | Protected | - | 4+6 | - | - |
| 01306 805 | Protected | - | 4+6 | - | - |
| 01306 806 | Protected | - | 4+6 | - | - |
| 01306 807 | Protected | - | 4+6 | - | - |
| 01306 808 | Protected | - | 4+6 | - | - |
| 01306 809 | Protected | - | 4+6 | - | - |
| 01306 81 | Allocated | Barritel Limited | 4+6 | F-Digit '2' | 12/06/2007 |
| 01306 820 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01306 821 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01306 822 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01306 823 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01306 824 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01306 825 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01306 826 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01306 827 | Protected | - | 4+6 | - | - |
| 01306 828 | Protected | - | 4+6 | - | - |
| 01306 829 | Protected | - | 4+6 | - | - |
| 01306 83 | Allocated | Nationwide Telephone Assistance Ltd | 4+6 | F-Digit '0' | 01/10/2007 |
| 01306 84 | Allocated | Teledesign Ltd | 4+6 | F-Digit '2' | 09/08/2007 |
| 01306 85 | Allocated | Affiniti Integrated Solutions Ltd | 4+6 | F-Digits '5,6,7,8' | 06/08/2007 |
| 01306 86 | Allocated | Magrathea Telecommunications Limited | 4+6 | - | 24/09/2004 |
| 01306 87 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01306 88 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01306 890 | Protected | - | 4+6 | - | - |
| 01306 891 | Protected | - | 4+6 | - | - |
| 01306 892 | Protected | - | 4+6 | - | - |
| 01306 893 | Protected | - | 4+6 | - | - |
| 01306 894 | Protected | - | 4+6 | - | - |
| 01306 895 | Protected | - | 4+6 | - | - |
| 01306 896 | Protected | - | 4+6 | - | - |
| 01306 897 | Protected | - | 4+6 | - | - |
| 01306 898 | Allocated | TalkTalk Communications Limited | 4+6 | - | 18/01/2012 |
| 01306 899 | Allocated | TalkTalk Communications Limited | 4+6 | - | 18/01/2012 |
| 01306 900 | Protected | - | 4+6 | - | - |
| 01306 901 | Protected | - | 4+6 | - | - |
| 01306 902 | Protected | - | 4+6 | - | - |
| 01306 903 | Protected | - | 4+6 | - | - |
| 01306 904 | Protected | - | 4+6 | - | - |
| 01306 905 | Protected | - | 4+6 | - | - |
| 01306 906 | Protected | - | 4+6 | - | - |
| 01306 907 | Protected | - | 4+6 | - | - |
| 01306 908 | Protected | - | 4+6 | - | - |
| 01306 909 | Protected | - | 4+6 | - | - |
| 01306 910 | Protected | - | 4+6 | - | - |
| 01306 911 | Protected | - | 4+6 | - | - |
| 01306 912 | Protected | - | 4+6 | - | - |
| 01306 913 | Protected | - | 4+6 | - | - |
| 01306 914 | Protected | - | 4+6 | - | - |
| 01306 915 | Protected | - | 4+6 | - | - |
| 01306 916 | Protected | - | 4+6 | - | - |
| 01306 917 | Protected | - | 4+6 | - | - |
| 01306 918 | Protected | - | 4+6 | - | - |
| 01306 919 | Protected | - | 4+6 | - | - |
| 01306 920 | Protected | - | 4+6 | - | - |
| 01306 921 | Protected | - | 4+6 | - | - |
| 01306 922 | Protected | - | 4+6 | - | - |
| 01306 923 | Protected | - | 4+6 | - | - |
| 01306 924 | Protected | - | 4+6 | - | - |
| 01306 925 | Protected | - | 4+6 | - | - |
| 01306 926 | Protected | - | 4+6 | - | - |
| 01306 927 | Protected | - | 4+6 | - | - |
| 01306 928 | Protected | - | 4+6 | - | - |
| 01306 929 | Protected | - | 4+6 | - | - |
| 01306 930 | Protected | - | 4+6 | - | - |
| 01306 931 | Protected | - | 4+6 | - | - |
| 01306 932 | Protected | - | 4+6 | - | - |
| 01306 933 | Protected | - | 4+6 | - | - |
| 01306 934 | Protected | - | 4+6 | - | - |
| 01306 935 | Protected | - | 4+6 | - | - |
| 01306 936 | Protected | - | 4+6 | - | - |
| 01306 937 | Protected | - | 4+6 | - | - |
| 01306 938 | Protected | - | 4+6 | - | - |
| 01306 939 | Protected | - | 4+6 | - | - |
| 01306 940 | Protected | - | 4+6 | - | - |
| 01306 941 | Protected | - | 4+6 | - | - |
| 01306 942 | Protected | - | 4+6 | - | - |
| 01306 943 | Protected | - | 4+6 | - | - |
| 01306 944 | Protected | - | 4+6 | - | - |
| 01306 945 | Protected | - | 4+6 | - | - |
| 01306 946 | Protected | - | 4+6 | - | - |
| 01306 947 | Protected | - | 4+6 | - | - |
| 01306 948 | Protected | - | 4+6 | - | - |
| 01306 949 | Protected | - | 4+6 | - | - |
| 01306 950 | Protected | - | 4+6 | - | - |
| 01306 951 | Protected | - | 4+6 | - | - |
| 01306 952 | Protected | - | 4+6 | - | - |
| 01306 953 | Protected | - | 4+6 | - | - |
| 01306 954 | Protected | - | 4+6 | - | - |
| 01306 955 | Protected | - | 4+6 | - | - |
| 01306 956 | Protected | - | 4+6 | - | - |
| 01306 957 | Protected | - | 4+6 | - | - |
| 01306 958 | Protected | - | 4+6 | - | - |
| 01306 959 | Protected | - | 4+6 | - | - |
| 01306 960 | Protected | - | 4+6 | - | - |
| 01306 961 | Protected | - | 4+6 | - | - |
| 01306 962 | Protected | - | 4+6 | - | - |
| 01306 963 | Protected | - | 4+6 | - | - |
| 01306 964 | Protected | - | 4+6 | - | - |
| 01306 965 | Protected | - | 4+6 | - | - |
| 01306 966 | Protected | - | 4+6 | - | - |
| 01306 967 | Protected | - | 4+6 | - | - |
| 01306 968 | Protected | - | 4+6 | - | - |
| 01306 969 | Protected | - | 4+6 | - | - |
| 01306 970 | Protected | - | 4+6 | - | - |
| 01306 971 | Protected | - | 4+6 | - | - |
| 01306 972 | Protected | - | 4+6 | - | - |
| 01306 973 | Protected | - | 4+6 | - | - |
| 01306 974 | Protected | - | 4+6 | - | - |
| 01306 975 | Protected | - | 4+6 | - | - |
| 01306 976 | Protected | - | 4+6 | - | - |
| 01306 977 | Protected | - | 4+6 | - | - |
| 01306 978 | Protected | - | 4+6 | - | - |
| 01306 979 | Protected | - | 4+6 | - | - |
| 01306 980 | Protected | - | 4+6 | - | - |
| 01306 981 | Protected | - | 4+6 | - | - |
| 01306 982 | Protected | - | 4+6 | - | - |
| 01306 983 | Protected | - | 4+6 | - | - |
| 01306 984 | Protected | - | 4+6 | - | - |
| 01306 985 | Protected | - | 4+6 | - | - |
| 01306 986 | Protected | - | 4+6 | - | - |
| 01306 987 | Protected | - | 4+6 | - | - |
| 01306 988 | Protected | - | 4+6 | - | - |
| 01306 989 | Protected | - | 4+6 | - | - |
| 01306 99 | Protected | - | N/A | - | - |