Code allocations for the 01903 STD code

Summary

  • Status
    • Free for National Dialling Only: 19
    • Allocated: 164
    • Free: 1
    • Protected: 195
  • Operators : 102
  • Latest change : August 2011
Click here for Status definitions
Have you received a call from a number beginning 01903? Get information on a full number beginning 01903, using our full UK number search.
Find out about the location and calling costs for 01903 numbers on our 01903 code page.

This page contains information about which telephone companies the various 01903 numbers are allocated to.

First Digits Status Communications Provider Number Length Notes Change
01903 00 Free for National Dialling Only - (0)+10 - -
01903 01 Free for National Dialling Only - (0)+10 - -
01903 02 Free for National Dialling Only - (0)+10 - -
01903 03 Free for National Dialling Only - (0)+10 - -
01903 04 Free for National Dialling Only - (0)+10 - -
01903 05 Free for National Dialling Only - (0)+10 - -
01903 06 Free for National Dialling Only - (0)+10 - -
01903 07 Free for National Dialling Only - (0)+10 - -
01903 08 Free for National Dialling Only - (0)+10 - -
01903 09 Free for National Dialling Only - (0)+10 - -
01903 10 Free for National Dialling Only - (0)+10 - -
01903 11 Free for National Dialling Only - (0)+10 - -
01903 12 Free for National Dialling Only - (0)+10 - -
01903 13 Allocated BT (0)+10 - 18/05/2011
01903 14 Free for National Dialling Only - (0)+10 - -
01903 15 Free for National Dialling Only - (0)+10 - -
01903 16 Free for National Dialling Only - (0)+10 - -
01903 17 Free for National Dialling Only - (0)+10 - -
01903 18 Free for National Dialling Only - (0)+10 - -
01903 19 Free for National Dialling Only - (0)+10 - -
01903 20 Allocated BT 4+6 - 15/07/1994
01903 21 Allocated BT 4+6 - 15/07/1994
01903 22 Allocated BT 4+6 - 21/03/1995
01903 23 Allocated BT 4+6 - 15/07/1994
01903 24 Allocated BT 4+6 - 15/07/1994
01903 25 Allocated Gamma Telecom Holdings Ltd 4+6 - 13/03/2004
01903 26 Allocated BT 4+6 - 15/07/1994
01903 27 Allocated BT 4+6 - 15/07/1994
01903 28 Allocated BT 4+6 - 15/07/1994
01903 290 Allocated Linear Telecoms Limited 4+6 - 19/10/2010
01903 291 Allocated Internexus Networks Limited 4+6 - 22/11/2011
01903 292 Allocated Hello Telecom (UK) PLC 4+6 - 01/02/2012
01903 293 Allocated Bicom Systems EURL 4+6 - 01/03/2012
01903 294 Allocated ICC Networks Ltd 4+6 - 18/04/2012
01903 295 Allocated Broadcast Telecom Ltd 4+6 - 14/03/2012
01903 296 Allocated API Telecom Limited 4+6 - 19/04/2012
01903 297 Allocated TalkTalk Communications Limited 4+6 - 20/04/2012
01903 298 Allocated Ziron (UK) Ltd 4+6 - 01/08/2012
01903 299 Allocated Invoco Ltd 4+6 - 22/05/2012
01903 30 Allocated TelNG Limited 4+6 F-Digit '2' 01/03/2007
01903 31 Allocated Verizon UK Ltd 4+6 F-Digit '1' 18/04/2007
01903 320 Allocated (aq) Limited trading as aql 4+6 - 21/09/2007
01903 321 Allocated Vodafone Ltd (Energis) 4+6 - 06/06/2008
01903 322 Allocated VoIP-Un Limited 4+6 - 08/11/2007
01903 323 Allocated Frontier Systems Ltd 4+6 - 30/07/2007
01903 324 Allocated Timico Limited 4+6 - 04/06/2008
01903 325 Allocated InTechnology Plc 4+6 - 27/02/2008
01903 326 Allocated Telecom2 Ltd 4+6 - 10/09/2009
01903 327 Allocated Premium O Limited 4+6 - 15/02/2008
01903 328 Allocated Nodemax Limited 4+6 - 14/07/2008
01903 329 Allocated Entanet International Ltd 4+6 - 21/12/2007
01903 330 Allocated Localphone Limited 4+6 - 23/05/2007
01903 331 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 24/09/2008
01903 332 Allocated Barritel Limited 4+6 - 21/06/2007
01903 333 Allocated Net-Work Internet Ltd 4+6 - 30/10/2007
01903 334 Allocated Affiniti Integrated Solutions Ltd 4+6 - 12/11/2007
01903 335 Allocated TG Support Limited 4+6 - 29/05/2007
01903 336 Allocated Starcomm Ltd 4+6 - 03/10/2008
01903 337 Allocated Voxbone SA 4+6 - 29/09/2008
01903 338 Allocated 3C Limited 4+6 - 21/10/2008
01903 339 Free - 4+6 - -
01903 340 Allocated TalkTalk Communications Limited 4+6 - 15/10/2007
01903 341 Allocated Solutios Limited 4+6 - 26/11/2008
01903 342 Allocated Barritec Limited 4+6 - 12/11/2008
01903 343 Allocated Served Up Limited. 4+6 - 14/10/2008
01903 344 Allocated IPV6 Limited 4+6 - 04/02/2009
01903 345 Allocated Mars Communications Limited 4+6 - 19/02/2009
01903 346 Allocated X-Pilot Limited 4+6 - 23/06/2009
01903 347 Allocated Mundio Mobile Limited 4+6 - 01/07/2009
01903 348 Allocated Andrews & Arnold (Numbers) Ltd 4+6 - 09/04/2009
01903 349 Allocated CFL Communications Limited 4+6 - 20/07/2009
01903 350 Allocated Telecoms World Plc 4+6 - 02/07/2009
01903 351 Allocated Known Communications Limited 4+6 - 21/09/2009
01903 352 Allocated Nexus Telecommunications Limited 4+6 - 07/10/2009
01903 353 Allocated Invomo Ltd 4+6 - 22/12/2009
01903 354 Allocated Wightfibre Limited 4+6 - 08/01/2010
01903 355 Allocated i-Net Communications Group Plc 4+6 - 14/01/2010
01903 356 Allocated TeleWare PLC 4+6 - 27/01/2010
01903 357 Allocated Buzz Networks Limited 4+6 - 24/02/2010
01903 358 Allocated Atomstream Limited 4+6 - 12/04/2010
01903 359 Allocated PTGI International Carrier Services Ltd 4+6 - 29/01/2010
01903 360 Protected - 4+6 - -
01903 361 Protected - 4+6 - -
01903 362 Protected - 4+6 - -
01903 363 Protected - 4+6 - -
01903 364 Protected - 4+6 - -
01903 365 Protected - 4+6 - -
01903 366 Allocated TalkTalk Communications Limited 4+6 - 31/08/2011
01903 367 Allocated TalkTalk Communications Limited 4+6 - 31/08/2011
01903 368 Allocated TalkTalk Communications Limited 4+6 - 31/08/2011
01903 369 Allocated TalkTalk Communications Limited 4+6 - 31/08/2011
01903 370 Allocated Suretec Systems Ltd 4+6 - 13/05/2010
01903 371 Allocated Calltracks Limited 4+6 - 08/07/2010
01903 372 Allocated Simwood eSMS Limited 4+6 - 03/08/2010
01903 373 Allocated Windsor Telecom Plc 4+6 - 22/07/2010
01903 374 Allocated Core Telecom Limited 4+6 - 06/08/2010
01903 375 Allocated Telephone Box Limited 4+6 - 10/12/2010
01903 376 Allocated Cheers International Sales Limited 4+6 - 15/12/2010
01903 377 Allocated Numbergroup Network Ltd 4+6 - 04/11/2010
01903 378 Allocated Phone Co-Op Numbering Limited 4+6 - 23/12/2010
01903 379 Allocated Globecom International Limited 4+6 - 06/01/2011
01903 380 Allocated Invosys Limited 4+6 - 20/01/2011
01903 381 Protected - 4+6 - -
01903 382 Protected - 4+6 - -
01903 383 Allocated Calltracks Limited 4+6 - 21/10/2014
01903 384 Protected - 4+6 - -
01903 385 Protected - 4+6 - -
01903 386 Protected - 4+6 - -
01903 387 Protected - 4+6 - -
01903 388 Protected - 4+6 - -
01903 389 Allocated Nationwide Telephone Assistance Ltd 4+6 - 22/10/2007
01903 390 Allocated Resilient Networks Plc 4+6 - 09/09/2011
01903 391 Protected - 4+6 - -
01903 392 Protected - 4+6 - -
01903 393 Protected - 4+6 - -
01903 394 Protected - 4+6 - -
01903 395 Protected - 4+6 - -
01903 396 Protected - 4+6 - -
01903 397 Protected - 4+6 - -
01903 398 Protected - 4+6 - -
01903 399 Allocated Resilient Networks Plc 4+6 - 09/09/2011
01903 40 Allocated Syntec Limited 4+6 - 22/11/2005
01903 41 Allocated British Sky Broadcasting Limited 4+6 F-Digits '0,1,2,3,4,5' 16/05/2006
01903 420 Protected - 4+6 - -
01903 421 Protected - 4+6 - -
01903 422 Protected - 4+6 - -
01903 423 Allocated Coms.Com Ltd 4+6 - 08/06/2011
01903 424 Protected - 4+6 - -
01903 425 Protected - 4+6 - -
01903 426 Protected - 4+6 - -
01903 427 Protected - 4+6 - -
01903 428 Protected - 4+6 - -
01903 429 Protected - 4+6 - -
01903 43 Allocated FleXtel Limited 4+6 - 21/10/2005
01903 440 Allocated TelecomEight Network Ltd 4+6 - 04/04/2013
01903 441 Allocated Media Hawk Ltd 4+6 - 10/04/2013
01903 442 Allocated Kalnet4u Ltd 4+6 - 04/06/2013
01903 443 Allocated Radius Communications Limited 4+6 - 07/01/2014
01903 444 Allocated Affiniti Integrated Solutions Ltd 4+6 - 18/07/2013
01903 445 Allocated iHub UK Ltd 4+6 - 23/08/2013
01903 446 Allocated TalkTalk Communications Limited 4+6 - 02/05/2014
01903 447 Allocated Orange Business Holdings UK Limited 4+6 - 13/06/2014
01903 448 Allocated Orange Business Holdings UK Limited 4+6 - 13/06/2014
01903 449 Allocated XoverX Ltd 4+6 - 26/04/2013
01903 45 Allocated Net Solutions Europe Limited 4+6 F-Digit '5' 30/12/2005
01903 460 Protected - 4+6 - -
01903 461 Protected - 4+6 - -
01903 462 Protected - 4+6 - -
01903 463 Protected - 4+6 - -
01903 464 Protected - 4+6 - -
01903 465 Protected - 4+6 - -
01903 466 Protected - 4+6 - -
01903 467 Protected - 4+6 - -
01903 468 Protected - 4+6 - -
01903 469 Protected - 4+6 - -
01903 470 Protected - 4+6 - -
01903 471 Protected - 4+6 - -
01903 472 Protected - 4+6 - -
01903 473 Protected - 4+6 - -
01903 474 Protected - 4+6 - -
01903 475 Protected - 4+6 - -
01903 476 Protected - 4+6 - -
01903 477 Allocated Spitfire Network Services Ltd 4+6 - 21/07/2011
01903 478 Protected - 4+6 - -
01903 479 Protected - 4+6 - -
01903 480 Protected - 4+6 - -
01903 481 Protected - 4+6 - -
01903 482 Protected - 4+6 - -
01903 483 Protected - 4+6 - -
01903 484 Protected - 4+6 - -
01903 485 Protected - 4+6 - -
01903 486 Protected - 4+6 - -
01903 487 Protected - 4+6 - -
01903 488 Protected - 4+6 - -
01903 489 Protected - 4+6 - -
01903 490 Allocated VoiceHost Limited 4+6 - 28/07/2010
01903 491 Allocated IP Base Ltd 4+6 - 21/01/2011
01903 492 Protected - 4+6 - -
01903 493 Protected - 4+6 - -
01903 494 Protected - 4+6 - -
01903 495 Protected - 4+6 - -
01903 496 Protected - 4+6 - -
01903 497 Protected - 4+6 - -
01903 498 Protected - 4+6 - -
01903 499 Protected - 4+6 - -
01903 50 Allocated BT 4+6 - 15/07/1994
01903 51 Allocated Teledesign Ltd 4+6 F-Digit '2' 28/09/2006
01903 52 Allocated Virgin Media Limited 4+6 - 15/07/1994
01903 53 Allocated Virgin Media Limited 4+6 - 24/01/1995
01903 54 Allocated BT 4+6 - 15/07/1994
01903 55 Allocated Edge Telecom Limited 4+6 - 03/05/2005
01903 56 Allocated Vodafone Ltd (Thus) 4+6 - 03/02/2004
01903 57 Allocated Vodafone Ltd (C&W) 4+6 - 22/02/2010
01903 58 Allocated Easynet Enterprise Services Limited 4+6 - 19/05/2005
01903 59 Allocated Danemere Street Creative 4+6 - 24/06/2005
01903 60 Allocated Virgin Media Limited 4+6 - 08/03/1996
01903 61 Allocated Virgin Media Limited 4+6 - 08/03/1996
01903 620 Allocated Virgin Media Limited 4+6 - 08/03/1996
01903 621 Protected - 4+6 - -
01903 622 Protected - 4+6 - -
01903 623 Protected - 4+6 - -
01903 624 Protected - 4+6 - -
01903 625 Protected - 4+6 - -
01903 626 Protected - 4+6 - -
01903 627 Protected - 4+6 - -
01903 628 Protected - 4+6 - -
01903 629 Allocated Virgin Media Limited 4+6 - 08/03/1996
01903 630 Allocated Vodafone Ltd (C&W) 4+6 - 16/02/2010
01903 631 Protected - 4+6 - -
01903 632 Protected - 4+6 - -
01903 633 Protected - 4+6 - -
01903 634 Protected - 4+6 - -
01903 635 Protected - 4+6 - -
01903 636 Allocated Vodafone Ltd (C&W) 4+6 - 16/02/2010
01903 637 Allocated Vodafone Ltd (C&W) 4+6 - 16/02/2010
01903 638 Allocated Vodafone Ltd (C&W) 4+6 - 16/02/2010
01903 639 Allocated Vodafone Ltd (C&W) 4+6 - 16/02/2010
01903 64 Allocated Vodafone Ltd (C&W) 4+6 - 16/02/2010
01903 65 Allocated TTNC Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9' 17/10/2006
01903 660 Allocated Level 3 Communications UK Limited 4+6 - 25/07/2011
01903 661 Protected - 4+6 - -
01903 662 Protected - 4+6 - -
01903 663 Allocated Level 3 Communications UK Limited 4+6 - 25/07/2011
01903 664 Protected - 4+6 - -
01903 665 Protected - 4+6 - -
01903 666 Protected - 4+6 - -
01903 667 Protected - 4+6 - -
01903 668 Protected - 4+6 - -
01903 669 Allocated Level 3 Communications UK Limited 4+6 - 25/07/2011
01903 670 Protected - 4+6 - -
01903 671 Protected - 4+6 - -
01903 672 Protected - 4+6 - -
01903 673 Protected - 4+6 - -
01903 674 Protected - 4+6 - -
01903 675 Protected - 4+6 - -
01903 676 Protected - 4+6 - -
01903 677 Protected - 4+6 - -
01903 678 Protected - 4+6 - -
01903 679 Protected - 4+6 - -
01903 68 Allocated Telephony Services Limited 4+6 - 01/11/2004
01903 69 Allocated BT 4+6 - 15/07/1994
01903 70 Allocated BT 4+6 - 15/07/1994
01903 71 Allocated BT 4+6 - 15/07/1994
01903 72 Allocated BT 4+6 - 15/07/1994
01903 73 Allocated BT 4+6 - 15/07/1994
01903 74 Allocated BT 4+6 - 15/07/1994
01903 75 Allocated BT 4+6 - 15/07/1994
01903 76 Allocated BT 4+6 - 15/07/1994
01903 77 Allocated BT 4+6 - 15/07/1994
01903 78 Allocated BT 4+6 - 15/07/1994
01903 790 Allocated Inclarity Communications Ltd 4+6 - 08/10/2004
01903 791 Allocated Inclarity Communications Ltd 4+6 - 08/10/2004
01903 792 Allocated Inclarity Communications Ltd 4+6 - 08/10/2004
01903 793 Protected - 4+6 - -
01903 794 Protected - 4+6 - -
01903 795 Allocated Inclarity Communications Ltd 4+6 - 08/10/2004
01903 796 Protected - 4+6 - -
01903 797 Protected - 4+6 - -
01903 798 Protected - 4+6 - -
01903 799 Protected - 4+6 - -
01903 800 Allocated Six Degrees Unified Comms Limited 4+6 - 05/11/2013
01903 801 Protected - 4+6 - -
01903 802 Protected - 4+6 - -
01903 803 Protected - 4+6 - -
01903 804 Allocated Six Degrees Unified Comms Limited 4+6 - 01/02/2013
01903 805 Protected - 4+6 - -
01903 806 Protected - 4+6 - -
01903 807 Protected - 4+6 - -
01903 808 Protected - 4+6 - -
01903 809 Protected - 4+6 - -
01903 81 Allocated BT 4+6 - 15/07/1994
01903 82 Allocated BT 4+6 - 15/07/1994
01903 83 Allocated BT 4+6 - 15/07/1994
01903 84 Allocated Vodafone Ltd (C&W) 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9' 16/02/2010
01903 85 Allocated BT 4+6 - 15/07/1994
01903 860 Allocated Magrathea Telecommunications Limited 4+6 - 17/11/2011
01903 861 Allocated Magrathea Telecommunications Limited 4+6 - 17/11/2011
01903 862 Protected - 4+6 - -
01903 863 Allocated Magrathea Telecommunications Limited 4+6 - 17/11/2011
01903 864 Protected - 4+6 - -
01903 865 Protected - 4+6 - -
01903 866 Allocated Magrathea Telecommunications Limited 4+6 - 17/11/2011
01903 867 Allocated Magrathea Telecommunications Limited 4+6 - 17/11/2011
01903 868 Allocated Magrathea Telecommunications Limited 4+6 - 17/11/2011
01903 869 Allocated Magrathea Telecommunications Limited 4+6 - 17/11/2011
01903 87 Allocated BT 4+6 - 15/07/1994
01903 88 Allocated BT 4+6 - 15/07/1994
01903 89 Allocated BT 4+6 - 15/07/1994
01903 900 Allocated Orbtalk Limited 4+6 - 23/08/2011
01903 901 Allocated Barritec Limited 4+6 - 23/09/2011
01903 902 Allocated Tesla Dynamic Ltd 4+6 - 30/06/2011
01903 903 Allocated Nexbridge Communications Limited 4+6 - 17/03/2011
01903 904 Allocated Minotaur Telecom Limited 4+6 - 27/10/2011
01903 905 Allocated TalkTalk Communications Limited 4+6 - 14/09/2012
01903 906 Allocated IOVOX Limited 4+6 - 04/07/2012
01903 907 Allocated Content Guru Ltd 4+6 - 11/10/2012
01903 908 Allocated Magnetic North Software Limited 4+6 - 15/01/2013
01903 909 Allocated We Love Communications Limited 4+6 - 06/08/2012
01903 910 Protected - 4+6 - -
01903 911 Protected - 4+6 - -
01903 912 Protected - 4+6 - -
01903 913 Protected - 4+6 - -
01903 914 Protected - 4+6 - -
01903 915 Protected - 4+6 - -
01903 916 Protected - 4+6 - -
01903 917 Protected - 4+6 - -
01903 918 Protected - 4+6 - -
01903 919 Protected - 4+6 - -
01903 920 Protected - 4+6 - -
01903 921 Protected - 4+6 - -
01903 922 Protected - 4+6 - -
01903 923 Protected - 4+6 - -
01903 924 Protected - 4+6 - -
01903 925 Protected - 4+6 - -
01903 926 Protected - 4+6 - -
01903 927 Protected - 4+6 - -
01903 928 Protected - 4+6 - -
01903 929 Protected - 4+6 - -
01903 930 Protected - 4+6 - -
01903 931 Protected - 4+6 - -
01903 932 Protected - 4+6 - -
01903 933 Protected - 4+6 - -
01903 934 Protected - 4+6 - -
01903 935 Protected - 4+6 - -
01903 936 Protected - 4+6 - -
01903 937 Protected - 4+6 - -
01903 938 Protected - 4+6 - -
01903 939 Protected - 4+6 - -
01903 940 Protected - 4+6 - -
01903 941 Protected - 4+6 - -
01903 942 Protected - 4+6 - -
01903 943 Protected - 4+6 - -
01903 944 Protected - 4+6 - -
01903 945 Protected - 4+6 - -
01903 946 Protected - 4+6 - -
01903 947 Protected - 4+6 - -
01903 948 Protected - 4+6 - -
01903 949 Protected - 4+6 - -
01903 950 Protected - 4+6 - -
01903 951 Protected - 4+6 - -
01903 952 Protected - 4+6 - -
01903 953 Protected - 4+6 - -
01903 954 Protected - 4+6 - -
01903 955 Protected - 4+6 - -
01903 956 Protected - 4+6 - -
01903 957 Protected - 4+6 - -
01903 958 Protected - 4+6 - -
01903 959 Protected - 4+6 - -
01903 960 Protected - 4+6 - -
01903 961 Protected - 4+6 - -
01903 962 Protected - 4+6 - -
01903 963 Protected - 4+6 - -
01903 964 Protected - 4+6 - -
01903 965 Protected - 4+6 - -
01903 966 Protected - 4+6 - -
01903 967 Protected - 4+6 - -
01903 968 Protected - 4+6 - -
01903 969 Protected - 4+6 - -
01903 970 Protected - 4+6 - -
01903 971 Protected - 4+6 - -
01903 972 Protected - 4+6 - -
01903 973 Protected - 4+6 - -
01903 974 Protected - 4+6 - -
01903 975 Protected - 4+6 - -
01903 976 Protected - 4+6 - -
01903 977 Protected - 4+6 - -
01903 978 Protected - 4+6 - -
01903 979 Protected - 4+6 - -
01903 980 Protected - 4+6 - -
01903 981 Protected - 4+6 - -
01903 982 Protected - 4+6 - -
01903 983 Protected - 4+6 - -
01903 984 Protected - 4+6 - -
01903 985 Protected - 4+6 - -
01903 986 Protected - 4+6 - -
01903 987 Protected - 4+6 - -
01903 988 Protected - 4+6 - -
01903 989 Protected - 4+6 - -
01903 99 Protected - N/A - -