Code allocations for the 01233 STD code

Summary

  • Status
    • Free for National Dialling Only: 20
    • Allocated: 155
    • Protected: 243
    • Free: 6
  • Operators : 111
  • Latest change : December 2008
Click here for Status definitions
Have you received a call from a number beginning 01233? Get information on a full number beginning 01233, using our full UK number search.
Find out about the location and calling costs for 01233 numbers on our 01233 code page.

This page contains information about which telephone companies the various 01233 numbers are allocated to.

First Digits Status Communications Provider Number Length Notes Change
01233 00 Free for National Dialling Only - (0)+10 - -
01233 01 Free for National Dialling Only - (0)+10 - -
01233 02 Free for National Dialling Only - (0)+10 - -
01233 03 Free for National Dialling Only - (0)+10 - -
01233 04 Free for National Dialling Only - (0)+10 - -
01233 05 Free for National Dialling Only - (0)+10 - -
01233 06 Free for National Dialling Only - (0)+10 - -
01233 07 Free for National Dialling Only - (0)+10 - -
01233 08 Free for National Dialling Only - (0)+10 - -
01233 09 Free for National Dialling Only - (0)+10 - -
01233 10 Free for National Dialling Only - (0)+10 - -
01233 11 Free for National Dialling Only - (0)+10 - -
01233 12 Free for National Dialling Only - (0)+10 - -
01233 13 Free for National Dialling Only - (0)+10 - -
01233 14 Free for National Dialling Only - (0)+10 - -
01233 15 Free for National Dialling Only - (0)+10 - -
01233 16 Free for National Dialling Only - (0)+10 - -
01233 17 Free for National Dialling Only - (0)+10 - -
01233 18 Free for National Dialling Only - (0)+10 - -
01233 19 Free for National Dialling Only - (0)+10 - -
01233 20 Allocated BT 4+6 - 21/03/1995
01233 21 Allocated Vodafone Ltd (C&W) 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9' 04/02/2010
01233 22 Allocated Gamma Telecom Holdings Ltd 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9' 13/03/2004
01233 230 Allocated Linear Telecoms Limited 4+6 - 04/10/2010
01233 231 Allocated Barritec Limited 4+6 - 20/09/2011
01233 232 Allocated Internexus Networks Limited 4+6 - 18/11/2011
01233 233 Allocated Broadcast Telecom Ltd 4+6 - 08/02/2012
01233 234 Allocated Simwood eSMS Limited 4+6 - 14/02/2012
01233 235 Allocated Bicom Systems EURL 4+6 - 02/03/2012
01233 236 Allocated API Telecom Limited 4+6 - 26/03/2012
01233 237 Allocated ICC Networks Ltd 4+6 - 12/04/2012
01233 238 Allocated IOVOX Limited 4+6 - 03/04/2012
01233 239 Allocated British Sky Broadcasting Limited 4+6 - 23/04/2012
01233 24 Allocated Danemere Street Creative 4+6 - 27/10/2004
01233 25 Allocated Syntec Limited 4+6 - 15/11/2005
01233 26 Allocated TG Support Limited 4+6 - 05/07/2006
01233 270 Allocated Numbergroup Network Ltd 4+6 - 03/06/2010
01233 271 Allocated TeleSurf Limited 4+6 - 30/06/2010
01233 272 Allocated Calltracks Limited 4+6 - 07/07/2010
01233 273 Allocated Windsor Telecom Plc 4+6 - 19/07/2010
01233 274 Allocated Core Telecom Limited 4+6 - 05/08/2010
01233 275 Allocated Telephone Box Limited 4+6 - 17/11/2010
01233 276 Allocated Cheers International Sales Limited 4+6 - 14/12/2010
01233 277 Allocated VoiceHost Limited 4+6 - 26/08/2010
01233 278 Allocated Phone Co-Op Numbering Limited 4+6 - 16/12/2010
01233 279 Allocated Digital Mail Limited 4+6 - 21/12/2010
01233 28 Allocated Wavecrest (UK) Ltd 4+6 - 14/11/2005
01233 290 Protected - 4+6 - -
01233 291 Protected - 4+6 - -
01233 292 Protected - 4+6 - -
01233 293 Protected - 4+6 - -
01233 294 Protected - 4+6 - -
01233 295 Protected - 4+6 - -
01233 296 Protected - 4+6 - -
01233 297 Protected - 4+6 - -
01233 298 Protected - 4+6 - -
01233 299 Protected - 4+6 - -
01233 30 Allocated Served Up Limited. 4+6 F-Digit '0' 09/05/2008
01233 31 Allocated IV Response Limited 4+6 - 04/07/2005
01233 320 Allocated Inclarity Communications Ltd 4+6 - 18/02/2011
01233 321 Allocated Inclarity Communications Ltd 4+6 - 18/02/2011
01233 322 Allocated Inclarity Communications Ltd 4+6 - 18/02/2011
01233 323 Allocated Nexbridge Communications Limited 4+6 - 14/03/2011
01233 324 Allocated Firstsound Ltd 4+6 - 11/04/2011
01233 325 Allocated Inclarity Communications Ltd 4+6 - 18/02/2011
01233 326 Allocated Media Hawk Ltd 4+6 - 10/04/2013
01233 327 Allocated Tesla Dynamic Ltd 4+6 - 30/06/2011
01233 328 Allocated Orbtalk Limited 4+6 - 06/09/2011
01233 329 Allocated British Sky Broadcasting Limited 4+6 - 17/05/2011
01233 33 Allocated Virgin Media Limited 4+6 - 05/01/1996
01233 340 Allocated TalkTalk Communications Limited 4+6 - 23/10/2014
01233 341 Allocated Known Communications Limited 4+6 - 15/09/2009
01233 342 Allocated Nexus Telecommunications Limited 4+6 - 25/09/2009
01233 343 Allocated Invomo Ltd 4+6 - 04/12/2009
01233 344 Allocated Orbis Telecom 4+6 - 15/12/2009
01233 345 Allocated i-Net Communications Group Plc 4+6 - 12/01/2010
01233 346 Allocated Wightfibre Limited 4+6 - 20/01/2010
01233 347 Allocated Wightfibre Limited 4+6 - 21/01/2010
01233 348 Allocated Atomstream Limited 4+6 - 25/02/2010
01233 349 Allocated Buzz Networks Limited 4+6 - 01/03/2010
01233 350 Allocated Magnetic North Software Limited 4+6 - 19/02/2013
01233 351 Allocated E164 Ltd 4+6 - 22/03/2010
01233 352 Allocated Suretec Systems Ltd 4+6 - 29/04/2010
01233 353 Allocated Digitech Solutions Global Limited 4+6 - 23/04/2010
01233 354 Allocated Globecom International Limited 4+6 - 24/12/2010
01233 355 Allocated IP Base Ltd 4+6 - 21/01/2011
01233 356 Allocated Invosys Limited 4+6 - 17/01/2011
01233 357 Allocated Hello Telecom (UK) PLC 4+6 - 15/02/2011
01233 358 Allocated Minotaur Telecom Limited 4+6 - 07/04/2011
01233 359 Allocated Invoco Ltd 4+6 - 21/09/2011
01233 360 Allocated Ziron (UK) Ltd 4+6 - 27/07/2012
01233 361 Allocated Vodafone Ltd (Thus) 4+6 - 25/02/2013
01233 362 Allocated Content Guru Ltd 4+6 - 12/10/2012
01233 363 Allocated Verizon UK Ltd 4+6 - 17/10/2012
01233 364 Allocated Affiniti Integrated Solutions Ltd 4+6 - 11/04/2013
01233 365 Allocated British Sky Broadcasting Limited 4+6 - 26/04/2013
01233 366 Allocated We Love Communications Limited 4+6 - 07/08/2012
01233 367 Allocated Kalnet4u Ltd 4+6 - 08/05/2013
01233 368 Allocated Liquid 11 Limited 4+6 - 13/06/2013
01233 369 Allocated XoverX Ltd 4+6 - 01/05/2013
01233 37 Allocated InTechnology Plc 4+6 - 07/06/2007
01233 38 Allocated Edge Telecom Limited 4+6 - 25/01/2005
01233 390 Allocated Six Degrees Unified Comms Limited 4+6 - 18/07/2005
01233 391 Protected - 4+6 - -
01233 392 Protected - 4+6 - -
01233 393 Protected - 4+6 - -
01233 394 Allocated Six Degrees Unified Comms Limited 4+6 - 18/07/2005
01233 395 Protected - 4+6 - -
01233 396 Protected - 4+6 - -
01233 397 Protected - 4+6 - -
01233 398 Allocated Six Degrees Unified Comms Limited 4+6 - 18/07/2005
01233 399 Protected - 4+6 - -
01233 400 Protected - 4+6 - -
01233 401 Protected - 4+6 - -
01233 402 Protected - 4+6 - -
01233 403 Protected - 4+6 - -
01233 404 Protected - 4+6 - -
01233 405 Protected - 4+6 - -
01233 406 Protected - 4+6 - -
01233 407 Protected - 4+6 - -
01233 408 Protected - 4+6 - -
01233 409 Protected - 4+6 - -
01233 41 Allocated TelNG Limited 4+6 F-Digit '2' 26/02/2007
01233 420 Allocated (aq) Limited trading as aql 4+6 - 19/10/2011
01233 421 Allocated TalkTalk Communications Limited 4+6 - 25/07/2008
01233 422 Allocated Orange Business Holdings UK Limited 4+6 - 09/05/2007
01233 423 Allocated Frontier Systems Ltd 4+6 - 27/07/2007
01233 424 Allocated VoIP-Un Limited 4+6 - 25/10/2007
01233 425 Allocated Solutios Limited 4+6 - 27/08/2008
01233 426 Allocated Telecom2 Ltd 4+6 - 11/09/2009
01233 427 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 17/11/2008
01233 428 Allocated Affiniti Integrated Solutions Ltd 4+6 - 12/11/2007
01233 429 Allocated Telecoms World Plc 4+6 - 06/03/2009
01233 430 Allocated Entanet International Ltd 4+6 - 14/12/2007
01233 431 Allocated Premium O Limited 4+6 - 28/12/2007
01233 432 Allocated Starcomm Ltd 4+6 - 22/05/2007
01233 433 Allocated Teledesign Ltd 4+6 - 16/05/2007
01233 434 Allocated Nationwide Telephone Assistance Ltd 4+6 - 01/10/2007
01233 435 Allocated Nodemax Limited 4+6 - 07/07/2008
01233 436 Allocated IPV6 Limited 4+6 - 27/01/2009
01233 437 Allocated Mars Communications Limited 4+6 - 03/02/2009
01233 438 Allocated Voxbone SA 4+6 - 04/12/2007
01233 439 Allocated iHub UK Ltd 4+6 - 14/08/2013
01233 44 Allocated Callagenix Ltd 4+6 F-Digit '0' 20/10/2006
01233 45 Allocated Localphone Limited 4+6 - 24/04/2007
01233 460 Allocated Andrews & Arnold (Numbers) Ltd 4+6 - 26/02/2009
01233 461 Allocated X-Pilot Limited 4+6 F-Digit '0' 16/06/2009
01233 462 Allocated Mundio Mobile Limited 4+6 - 29/06/2009
01233 463 Allocated British Sky Broadcasting Limited 4+6 - 31/12/2008
01233 464 Allocated 3C Limited 4+6 - 09/09/2008
01233 465 Allocated CFL Communications Limited 4+6 - 07/07/2009
01233 466 Allocated Net-Work Internet Ltd 4+6 - 28/01/2008
01233 467 Allocated Orbital Net Limited 4+6 - 20/07/2009
01233 468 Allocated Timico Limited 4+6 - 29/11/2007
01233 469 Allocated Telappliant Ltd 4+6 - 29/01/2009
01233 47 Allocated Danemere Street Creative 4+6 F-Digit '2' 03/07/2006
01233 480 Protected - 4+6 - -
01233 481 Protected - 4+6 - -
01233 482 Protected - 4+6 - -
01233 483 Protected - 4+6 - -
01233 484 Protected - 4+6 - -
01233 485 Protected - 4+6 - -
01233 486 Protected - 4+6 - -
01233 487 Allocated Spitfire Network Services Ltd 4+6 - 09/11/2011
01233 488 Protected - 4+6 - -
01233 489 Protected - 4+6 - -
01233 490 Allocated Resilient Networks Plc 4+6 - 11/12/2006
01233 491 Allocated Resilient Networks Plc 4+6 - 11/12/2006
01233 492 Protected - 4+6 - -
01233 493 Protected - 4+6 - -
01233 494 Protected - 4+6 - -
01233 495 Protected - 4+6 - -
01233 496 Protected - 4+6 - -
01233 497 Protected - 4+6 - -
01233 498 Protected - 4+6 - -
01233 499 Allocated Resilient Networks Plc 4+6 - 11/12/2006
01233 50 Allocated BT 4+6 - 15/07/1994
01233 510 Allocated BT 4+6 - 02/01/2014
01233 511 Allocated Radius Communications Limited 4+6 - 07/01/2014
01233 512 Free - 4+6 - -
01233 513 Free - 4+6 - -
01233 514 Free - 4+6 - -
01233 515 Allocated COLT Technology Services 4+6 - 12/09/2013
01233 516 Free - 4+6 - -
01233 517 Free - 4+6 - -
01233 518 Free - 4+6 - -
01233 519 Allocated British Sky Broadcasting Limited 4+6 - 21/08/2013
01233 520 Protected - 4+6 - -
01233 521 Protected - 4+6 - -
01233 522 Protected - 4+6 - -
01233 523 Protected - 4+6 - -
01233 524 Protected - 4+6 - -
01233 525 Protected - 4+6 - -
01233 526 Protected - 4+6 - -
01233 527 Protected - 4+6 - -
01233 528 Protected - 4+6 - -
01233 529 Protected - 4+6 - -
01233 530 Protected - 4+6 - -
01233 531 Protected - 4+6 - -
01233 532 Protected - 4+6 - -
01233 533 Protected - 4+6 - -
01233 534 Protected - 4+6 - -
01233 535 Protected - 4+6 - -
01233 536 Protected - 4+6 - -
01233 537 Protected - 4+6 - -
01233 538 Protected - 4+6 - -
01233 539 Protected - 4+6 - -
01233 540 Protected - 4+6 - -
01233 541 Protected - 4+6 - -
01233 542 Protected - 4+6 - -
01233 543 Protected - 4+6 - -
01233 544 Protected - 4+6 - -
01233 545 Protected - 4+6 - -
01233 546 Protected - 4+6 - -
01233 547 Protected - 4+6 - -
01233 548 Protected - 4+6 - -
01233 549 Protected - 4+6 - -
01233 550 Protected - 4+6 - -
01233 551 Protected - 4+6 - -
01233 552 Protected - 4+6 - -
01233 553 Protected - 4+6 - -
01233 554 Protected - 4+6 - -
01233 555 Protected - 4+6 - -
01233 556 Protected - 4+6 - -
01233 557 Protected - 4+6 - -
01233 558 Protected - 4+6 - -
01233 559 Protected - 4+6 - -
01233 560 Protected - 4+6 - -
01233 561 Protected - 4+6 - -
01233 562 Protected - 4+6 - -
01233 563 Protected - 4+6 - -
01233 564 Protected - 4+6 - -
01233 565 Protected - 4+6 - -
01233 566 Protected - 4+6 - -
01233 567 Protected - 4+6 - -
01233 568 Protected - 4+6 - -
01233 569 Protected - 4+6 - -
01233 570 Protected - 4+6 - -
01233 571 Protected - 4+6 - -
01233 572 Protected - 4+6 - -
01233 573 Protected - 4+6 - -
01233 574 Protected - 4+6 - -
01233 575 Protected - 4+6 - -
01233 576 Protected - 4+6 - -
01233 577 Protected - 4+6 - -
01233 578 Protected - 4+6 - -
01233 579 Protected - 4+6 - -
01233 580 Protected - 4+6 - -
01233 581 Protected - 4+6 - -
01233 582 Protected - 4+6 - -
01233 583 Protected - 4+6 - -
01233 584 Protected - 4+6 - -
01233 585 Protected - 4+6 - -
01233 586 Protected - 4+6 - -
01233 587 Protected - 4+6 - -
01233 588 Protected - 4+6 - -
01233 589 Protected - 4+6 - -
01233 590 Protected - 4+6 - -
01233 591 Protected - 4+6 - -
01233 592 Protected - 4+6 - -
01233 593 Protected - 4+6 - -
01233 594 Protected - 4+6 - -
01233 595 Protected - 4+6 - -
01233 596 Protected - 4+6 - -
01233 597 Protected - 4+6 - -
01233 598 Protected - 4+6 - -
01233 599 Protected - 4+6 - -
01233 60 Allocated Citrus Telecommunications Ltd 4+6 - 09/08/2005
01233 61 Allocated BT 4+6 - 15/07/1994
01233 62 Allocated BT 4+6 - 15/07/1994
01233 63 Allocated BT 4+6 - 15/07/1994
01233 64 Allocated BT 4+6 - 15/07/1994
01233 65 Allocated BT 4+6 - 15/07/1994
01233 66 Allocated BT 4+6 - 15/07/1994
01233 670 Allocated Vodafone Ltd (C&W) 4+6 - 18/02/2010
01233 671 Allocated Vodafone Ltd (C&W) 4+6 - 18/02/2010
01233 672 Allocated Vodafone Ltd (C&W) 4+6 - 18/02/2010
01233 673 Allocated Vodafone Ltd (C&W) 4+6 - 18/02/2010
01233 674 Allocated Vodafone Ltd (C&W) 4+6 - 18/02/2010
01233 675 Allocated Vodafone Ltd (C&W) 4+6 - 18/02/2010
01233 676 Protected - 4+6 - -
01233 677 Protected - 4+6 - -
01233 678 Protected - 4+6 - -
01233 679 Allocated Vodafone Ltd (C&W) 4+6 - 18/02/2010
01233 68 Allocated FleXtel Limited 4+6 - 19/10/2005
01233 69 Allocated TTNC Limited 4+6 F-Digit 0,1,2,3,4,5,6,7,8,9 31/01/2006
01233 70 Allocated Easynet Enterprise Services Limited 4+6 F-Digit '5' 10/05/2006
01233 71 Allocated BT 4+6 - 15/07/1994
01233 72 Allocated BT 4+6 - 15/07/1994
01233 73 Allocated BT 4+6 - 15/07/1994
01233 74 Allocated BT 4+6 - 15/07/1994
01233 75 Allocated BT 4+6 - 15/07/1994
01233 76 Allocated Net Solutions Europe Limited 4+6 - 01/12/2005
01233 77 Allocated BT 4+6 - 15/07/1994
01233 78 Allocated Barritel Limited 4+6 F-Digit '2' 16/02/2006
01233 790 Protected - 4+6 - -
01233 791 Protected - 4+6 - -
01233 792 Protected - 4+6 - -
01233 793 Allocated Coms.Com Ltd 4+6 - 23/05/2006
01233 794 Protected - 4+6 - -
01233 795 Protected - 4+6 - -
01233 796 Protected - 4+6 - -
01233 797 Protected - 4+6 - -
01233 798 Protected - 4+6 - -
01233 799 Protected - 4+6 - -
01233 80 Allocated Telephony Services Limited 4+6 - 01/11/2004
01233 81 Allocated BT 4+6 - 15/07/1994
01233 82 Allocated BT 4+6 - 15/07/1994
01233 830 Protected - 4+6 - -
01233 831 Protected - 4+6 - -
01233 832 Protected - 4+6 - -
01233 833 Protected - 4+6 - -
01233 834 Protected - 4+6 - -
01233 835 Protected - 4+6 - -
01233 836 Protected - 4+6 - -
01233 837 Protected - 4+6 - -
01233 838 Protected - 4+6 - -
01233 839 Protected - 4+6 - -
01233 84 Allocated BT 4+6 - 15/07/1994
01233 85 Allocated BT 4+6 - 15/07/1994
01233 86 Allocated BT 4+6 - 15/07/1994
01233 870 Protected - 4+6 - -
01233 871 Protected - 4+6 - -
01233 872 Protected - 4+6 - -
01233 873 Protected - 4+6 - -
01233 874 Protected - 4+6 - -
01233 875 Protected - 4+6 - -
01233 876 Protected - 4+6 - -
01233 877 Allocated TalkTalk Communications Limited 4+6 - 17/01/2012
01233 878 Allocated TalkTalk Communications Limited 4+6 - 17/01/2012
01233 879 Allocated TalkTalk Communications Limited 4+6 - 17/01/2012
01233 88 Allocated Magrathea Telecommunications Limited 4+6 - 24/09/2004
01233 89 Allocated BT 4+6 - 15/07/1994
01233 900 Protected - 4+6 - -
01233 901 Protected - 4+6 - -
01233 902 Protected - 4+6 - -
01233 903 Protected - 4+6 - -
01233 904 Protected - 4+6 - -
01233 905 Protected - 4+6 - -
01233 906 Protected - 4+6 - -
01233 907 Protected - 4+6 - -
01233 908 Protected - 4+6 - -
01233 909 Protected - 4+6 - -
01233 910 Protected - 4+6 - -
01233 911 Protected - 4+6 - -
01233 912 Protected - 4+6 - -
01233 913 Protected - 4+6 - -
01233 914 Protected - 4+6 - -
01233 915 Protected - 4+6 - -
01233 916 Protected - 4+6 - -
01233 917 Protected - 4+6 - -
01233 918 Protected - 4+6 - -
01233 919 Protected - 4+6 - -
01233 920 Protected - 4+6 - -
01233 921 Protected - 4+6 - -
01233 922 Protected - 4+6 - -
01233 923 Protected - 4+6 - -
01233 924 Protected - 4+6 - -
01233 925 Protected - 4+6 - -
01233 926 Protected - 4+6 - -
01233 927 Protected - 4+6 - -
01233 928 Protected - 4+6 - -
01233 929 Protected - 4+6 - -
01233 930 Protected - 4+6 - -
01233 931 Protected - 4+6 - -
01233 932 Protected - 4+6 - -
01233 933 Protected - 4+6 - -
01233 934 Protected - 4+6 - -
01233 935 Protected - 4+6 - -
01233 936 Protected - 4+6 - -
01233 937 Protected - 4+6 - -
01233 938 Protected - 4+6 - -
01233 939 Protected - 4+6 - -
01233 940 Protected - 4+6 - -
01233 941 Protected - 4+6 - -
01233 942 Protected - 4+6 - -
01233 943 Protected - 4+6 - -
01233 944 Protected - 4+6 - -
01233 945 Protected - 4+6 - -
01233 946 Protected - 4+6 - -
01233 947 Protected - 4+6 - -
01233 948 Protected - 4+6 - -
01233 949 Protected - 4+6 - -
01233 950 Protected - 4+6 - -
01233 951 Protected - 4+6 - -
01233 952 Protected - 4+6 - -
01233 953 Protected - 4+6 - -
01233 954 Protected - 4+6 - -
01233 955 Protected - 4+6 - -
01233 956 Protected - 4+6 - -
01233 957 Protected - 4+6 - -
01233 958 Protected - 4+6 - -
01233 959 Protected - 4+6 - -
01233 960 Protected - 4+6 - -
01233 961 Protected - 4+6 - -
01233 962 Protected - 4+6 - -
01233 963 Protected - 4+6 - -
01233 964 Protected - 4+6 - -
01233 965 Protected - 4+6 - -
01233 966 Protected - 4+6 - -
01233 967 Protected - 4+6 - -
01233 968 Protected - 4+6 - -
01233 969 Protected - 4+6 - -
01233 970 Protected - 4+6 - -
01233 971 Protected - 4+6 - -
01233 972 Protected - 4+6 - -
01233 973 Protected - 4+6 - -
01233 974 Protected - 4+6 - -
01233 975 Protected - 4+6 - -
01233 976 Protected - 4+6 - -
01233 977 Protected - 4+6 - -
01233 978 Protected - 4+6 - -
01233 979 Protected - 4+6 - -
01233 980 Protected - 4+6 - -
01233 981 Protected - 4+6 - -
01233 982 Protected - 4+6 - -
01233 983 Protected - 4+6 - -
01233 984 Protected - 4+6 - -
01233 985 Protected - 4+6 - -
01233 986 Protected - 4+6 - -
01233 987 Protected - 4+6 - -
01233 988 Protected - 4+6 - -
01233 989 Protected - 4+6 - -
01233 99 Protected - N/A - -