Code allocations for the 01803 STD code

Summary

  • Status
    • Free for National Dialling Only: 20
    • Allocated: 159
    • Protected: 190
    • Free: 1
  • Operators : 101
  • Latest change : December 2008
Click here for Status definitions
Have you received a call from a number beginning 01803? Get information on a full number beginning 01803, using our full UK number search.
Find out about the location and calling costs for 01803 numbers on our 01803 code page.

This page contains information about which telephone companies the various 01803 numbers are allocated to.

First Digits Status Communications Provider Number Length Notes Change
01803 00 Free for National Dialling Only - (0)+10 - -
01803 01 Free for National Dialling Only - (0)+10 - -
01803 02 Free for National Dialling Only - (0)+10 - -
01803 03 Free for National Dialling Only - (0)+10 - -
01803 04 Free for National Dialling Only - (0)+10 - -
01803 05 Free for National Dialling Only - (0)+10 - -
01803 06 Free for National Dialling Only - (0)+10 - -
01803 07 Free for National Dialling Only - (0)+10 - -
01803 08 Free for National Dialling Only - (0)+10 - -
01803 09 Free for National Dialling Only - (0)+10 - -
01803 10 Free for National Dialling Only - (0)+10 - -
01803 11 Free for National Dialling Only - (0)+10 - -
01803 12 Free for National Dialling Only - (0)+10 - -
01803 13 Free for National Dialling Only - (0)+10 - -
01803 14 Free for National Dialling Only - (0)+10 - -
01803 15 Free for National Dialling Only - (0)+10 - -
01803 16 Free for National Dialling Only - (0)+10 - -
01803 17 Free for National Dialling Only - (0)+10 - -
01803 18 Free for National Dialling Only - (0)+10 - -
01803 19 Free for National Dialling Only - (0)+10 - -
01803 20 Allocated BT 4+6 - 15/07/1994
01803 21 Allocated BT 4+6 - 15/07/1994
01803 22 Allocated Gamma Telecom Holdings Ltd 4+6 - 05/04/2004
01803 23 Allocated Vodafone Ltd (Energis) 4+6 - 26/05/2006
01803 24 Allocated InTechnology Plc 4+6 - 08/06/2007
01803 25 Allocated TG Support Limited 4+6 - 10/07/2006
01803 260 Allocated Linear Telecoms Limited 4+6 - 18/10/2010
01803 261 Allocated Bicom Systems EURL 4+6 - 01/03/2012
01803 262 Allocated Simwood eSMS Limited 4+6 - 14/02/2012
01803 263 Allocated Broadcast Telecom Ltd 4+6 - 13/03/2012
01803 264 Allocated API Telecom Limited 4+6 - 10/04/2012
01803 265 Allocated ICC Networks Ltd 4+6 - 17/04/2012
01803 266 Allocated Invoco Ltd 4+6 - 01/05/2012
01803 267 Allocated British Sky Broadcasting Limited 4+6 - 24/05/2012
01803 268 Allocated IOVOX Limited 4+6 - 03/07/2012
01803 269 Allocated TalkTalk Communications Limited 4+6 - 26/07/2012
01803 270 Protected - 4+6 - -
01803 271 Protected - 4+6 - -
01803 272 Protected - 4+6 - -
01803 273 Allocated Coms.Com Ltd 4+6 - 06/06/2006
01803 274 Protected - 4+6 - -
01803 275 Protected - 4+6 - -
01803 276 Protected - 4+6 - -
01803 277 Protected - 4+6 - -
01803 278 Protected - 4+6 - -
01803 279 Protected - 4+6 - -
01803 28 Allocated Danemere Street Creative 4+6 - 24/06/2005
01803 29 Allocated BT 4+6 - 15/07/1994
01803 300 Protected - 4+6 - -
01803 301 Protected - 4+6 - -
01803 302 Protected - 4+6 - -
01803 303 Protected - 4+6 - -
01803 304 Protected - 4+6 - -
01803 305 Protected - 4+6 - -
01803 306 Protected - 4+6 - -
01803 307 Protected - 4+6 - -
01803 308 Protected - 4+6 - -
01803 309 Protected - 4+6 - -
01803 31 Allocated BT 4+6 - 15/07/1994
01803 32 Allocated BT 4+6 - 15/07/1994
01803 330 Allocated Inclarity Communications Ltd 4+6 - 21/06/2004
01803 331 Allocated Inclarity Communications Ltd 4+6 - 21/06/2004
01803 332 Allocated Inclarity Communications Ltd 4+6 - 21/06/2004
01803 333 Allocated Inclarity Communications Ltd 4+6 - 21/06/2004
01803 334 Protected - 4+6 - -
01803 335 Allocated Inclarity Communications Ltd 4+6 - 21/06/2004
01803 336 Protected - 4+6 - -
01803 337 Protected - 4+6 - -
01803 338 Protected - 4+6 - -
01803 339 Protected - 4+6 - -
01803 340 Allocated Vodafone Ltd (Thus) 4+6 - 29/09/2003
01803 341 Allocated Vodafone Ltd (Thus) 4+6 - 29/09/2003
01803 342 Allocated Vodafone Ltd (Thus) 4+6 - 29/09/2003
01803 343 Allocated Vodafone Ltd (Thus) 4+6 - 29/09/2003
01803 344 Protected - 4+6 - -
01803 345 Protected - 4+6 - -
01803 346 Allocated Vodafone Ltd (Thus) 4+6 - 29/09/2003
01803 347 Allocated Vodafone Ltd (Thus) 4+6 - 29/09/2003
01803 348 Allocated Vodafone Ltd (Thus) 4+6 - 29/09/2003
01803 349 Allocated Vodafone Ltd (Thus) 4+6 - 29/09/2003
01803 35 Allocated BT 4+6 - 11/09/1995
01803 360 Allocated Media Hawk Ltd 4+6 - 10/04/2013
01803 361 Allocated TalkTalk Communications Limited 4+6 - 26/03/2014
01803 362 Allocated Kalnet4u Ltd 4+6 - 05/06/2013
01803 363 Allocated TalkTalk Communications Limited 4+6 - 01/08/2014
01803 364 Free - 4+6 - -
01803 365 Allocated Liquid 11 Limited 4+6 - 13/06/2013
01803 366 Allocated iHub UK Ltd 4+6 - 22/08/2013
01803 367 Allocated Radius Communications Limited 4+6 - 07/01/2014
01803 368 Allocated British Sky Broadcasting Limited 4+6 - 15/08/2013
01803 369 Allocated British Sky Broadcasting Limited 4+6 - 15/08/2013
01803 37 Allocated Edge Telecom Limited 4+6 - 25/01/2005
01803 38 Allocated BT 4+6 - 15/07/1994
01803 39 Allocated Eurobell (Holdings) Limited 4+6 - 01/02/2000
01803 40 Allocated Eurobell (Holdings) Limited 4+6 - 08/08/1995
01803 410 Allocated Localphone Limited 4+6 - 14/05/2007
01803 411 Allocated TalkTalk Communications Limited 4+6 - 07/08/2007
01803 412 Allocated (aq) Limited trading as aql 4+6 - 17/09/2007
01803 413 Allocated Net-Work Internet Ltd 4+6 - 21/09/2007
01803 414 Allocated TalkTalk Communications Limited 4+6 - 26/11/2009
01803 415 Allocated VoIP-Un Limited 4+6 - 05/11/2007
01803 416 Allocated Frontier Systems Ltd 4+6 - 03/12/2007
01803 417 Allocated Premium O Limited 4+6 - 08/02/2008
01803 418 Allocated Digital Mail Limited 4+6 - 29/04/2008
01803 419 Allocated Timico Limited 4+6 - 23/05/2008
01803 420 Allocated Telecom2 Ltd 4+6 - 10/09/2009
01803 421 Allocated Level 3 Communications UK Limited 4+6 - 22/07/2008
01803 422 Allocated Nationwide Telephone Assistance Ltd 4+6 - 11/07/2008
01803 423 Allocated Nodemax Limited 4+6 - 11/07/2008
01803 424 Allocated Voxbone SA 4+6 - 26/09/2008
01803 425 Allocated Served Up Limited. 4+6 - 17/10/2008
01803 426 Allocated Barritec Limited 4+6 - 12/11/2008
01803 427 Allocated Solutios Limited 4+6 - 26/11/2008
01803 428 Allocated British Sky Broadcasting Limited 4+6 - 31/12/2008
01803 429 Allocated Mars Communications Limited 4+6 - 06/02/2009
01803 430 Allocated IPV6 Limited 4+6 - 13/02/2009
01803 431 Allocated TalkTalk Communications Limited 4+6 - 05/03/2009
01803 432 Allocated Andrews & Arnold (Numbers) Ltd 4+6 - 02/04/2009
01803 433 Allocated Keycom plc 4+6 - 13/05/2009
01803 434 Allocated X-Pilot Limited 4+6 - 17/06/2009
01803 435 Allocated Orbis Telecom 4+6 - 23/06/2009
01803 436 Allocated Telecoms World Plc 4+6 - 25/06/2009
01803 437 Allocated Mundio Mobile Limited 4+6 - 01/07/2009
01803 438 Allocated CFL Communications Limited 4+6 - 17/07/2009
01803 439 Allocated Known Communications Limited 4+6 - 18/09/2009
01803 440 Allocated Nexus Telecommunications Limited 4+6 - 30/09/2009
01803 441 Allocated Invomo Ltd 4+6 - 22/12/2009
01803 442 Allocated i-Net Communications Group Plc 4+6 - 13/01/2010
01803 443 Allocated TeleWare PLC 4+6 - 26/01/2010
01803 444 Allocated Wightfibre Limited 4+6 - 29/01/2010
01803 445 Allocated TalkTalk Communications Limited 4+6 - 03/02/2010
01803 446 Allocated Buzz Networks Limited 4+6 - 01/03/2010
01803 447 Allocated Atomstream Limited 4+6 - 29/03/2010
01803 448 Allocated Calltracks Limited 4+6 - 08/07/2010
01803 449 Allocated Windsor Telecom Plc 4+6 - 29/07/2010
01803 450 Allocated Suretec Systems Ltd 4+6 - 13/05/2010
01803 451 Allocated Numbergroup Network Ltd 4+6 - 15/06/2010
01803 452 Allocated Core Telecom Limited 4+6 - 06/08/2010
01803 453 Allocated Telephone Box Limited 4+6 - 10/12/2010
01803 454 Allocated Phone Co-Op Numbering Limited 4+6 - 23/12/2010
01803 455 Allocated Cheers International Sales Limited 4+6 - 07/01/2011
01803 456 Allocated IP Base Ltd 4+6 - 21/01/2011
01803 457 Allocated Globecom International Limited 4+6 - 08/02/2011
01803 458 Allocated 24 Seven Communications Ltd 4+6 - 02/03/2011
01803 459 Allocated British Sky Broadcasting Limited 4+6 - 24/01/2011
01803 460 Allocated Vodafone Ltd (C&W) 4+6 - 08/03/2011
01803 461 Allocated Nexbridge Communications Limited 4+6 - 17/03/2011
01803 462 Allocated Tesla Dynamic Ltd 4+6 - 30/06/2011
01803 463 Allocated TalkTalk Communications Limited 4+6 - 27/09/2011
01803 464 Allocated Orbtalk Limited 4+6 - 15/09/2011
01803 465 Allocated Minotaur Telecom Limited 4+6 - 27/10/2011
01803 466 Allocated Barritec Limited 4+6 - 20/09/2011
01803 467 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 21/10/2011
01803 468 Allocated Internexus Networks Limited 4+6 - 22/11/2011
01803 469 Allocated British Sky Broadcasting Limited 4+6 - 15/09/2011
01803 470 Allocated Ziron (UK) Ltd 4+6 - 31/07/2012
01803 471 Allocated Hello Telecom (UK) PLC 4+6 - 20/07/2012
01803 472 Allocated British Sky Broadcasting Limited 4+6 - 26/09/2012
01803 473 Allocated TalkTalk Communications Limited 4+6 - 18/02/2013
01803 474 Allocated Magnetic North Software Limited 4+6 - 15/01/2013
01803 475 Allocated British Sky Broadcasting Limited 4+6 - 02/04/2013
01803 476 Allocated TelecomEight Network Ltd 4+6 - 04/04/2013
01803 477 Allocated We Love Communications Limited 4+6 - 06/08/2012
01803 478 Allocated XoverX Ltd 4+6 - 26/04/2013
01803 479 Allocated Content Guru Ltd 4+6 - 11/10/2012
01803 480 Protected - 4+6 - -
01803 481 Protected - 4+6 - -
01803 482 Protected - 4+6 - -
01803 483 Protected - 4+6 - -
01803 484 Protected - 4+6 - -
01803 485 Protected - 4+6 - -
01803 486 Protected - 4+6 - -
01803 487 Protected - 4+6 - -
01803 488 Protected - 4+6 - -
01803 489 Protected - 4+6 - -
01803 490 Protected - 4+6 - -
01803 491 Protected - 4+6 - -
01803 492 Protected - 4+6 - -
01803 493 Protected - 4+6 - -
01803 494 Protected - 4+6 - -
01803 495 Protected - 4+6 - -
01803 496 Protected - 4+6 - -
01803 497 Protected - 4+6 - -
01803 498 Protected - 4+6 - -
01803 499 Protected - 4+6 - -
01803 50 Allocated Telephony Services Limited 4+6 - 01/11/2004
01803 51 Allocated Teledesign Ltd 4+6 F-Digit '2' 26/09/2006
01803 52 Allocated BT 4+6 - 15/07/1994
01803 530 Allocated VoiceHost Limited 4+6 - 05/10/2010
01803 531 Protected - 4+6 - -
01803 532 Protected - 4+6 - -
01803 533 Protected - 4+6 - -
01803 534 Protected - 4+6 - -
01803 535 Protected - 4+6 - -
01803 536 Protected - 4+6 - -
01803 537 Protected - 4+6 - -
01803 538 Protected - 4+6 - -
01803 539 Protected - 4+6 - -
01803 54 Allocated BT 4+6 - 15/07/1994
01803 55 Allocated BT 4+6 - 15/07/1994
01803 56 Allocated FleXtel Limited 4+6 - 02/12/2005
01803 570 Protected - 4+6 - -
01803 571 Protected - 4+6 - -
01803 572 Protected - 4+6 - -
01803 573 Protected - 4+6 - -
01803 574 Protected - 4+6 - -
01803 575 Protected - 4+6 - -
01803 576 Protected - 4+6 - -
01803 577 Allocated Spitfire Network Services Ltd 4+6 - 11/11/2011
01803 578 Protected - 4+6 - -
01803 579 Protected - 4+6 - -
01803 58 Allocated Barritel Limited 4+6 F-Digit '2' 02/10/2006
01803 590 Allocated Resilient Networks Plc 4+6 - 05/01/2007
01803 591 Allocated Resilient Networks Plc 4+6 - 05/01/2007
01803 592 Protected - 4+6 - -
01803 593 Protected - 4+6 - -
01803 594 Protected - 4+6 - -
01803 595 Protected - 4+6 - -
01803 596 Protected - 4+6 - -
01803 597 Protected - 4+6 - -
01803 598 Protected - 4+6 - -
01803 599 Allocated Resilient Networks Plc 4+6 - 05/01/2007
01803 60 Allocated BT 4+6 - 15/07/1994
01803 61 Allocated BT 4+6 - 15/07/1994
01803 62 Allocated Net Solutions Europe Limited 4+6 F-Digit '2' 01/02/2006
01803 630 Protected - 4+6 - -
01803 631 Protected - 4+6 - -
01803 632 Protected - 4+6 - -
01803 633 Protected - 4+6 - -
01803 634 Allocated Six Degrees Unified Comms Limited 4+6 - 17/01/2013
01803 635 Protected - 4+6 - -
01803 636 Protected - 4+6 - -
01803 637 Protected - 4+6 - -
01803 638 Protected - 4+6 - -
01803 639 Protected - 4+6 - -
01803 64 Allocated TTNC Limited 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9 10/10/2006
01803 65 Allocated BT 4+6 - 15/07/1994
01803 66 Allocated BT 4+6 - 15/07/1994
01803 67 Allocated Vodafone Ltd (C&W) 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9' 16/02/2010
01803 68 Allocated TelNG Limited 4+6 F-Digit '2' 28/02/2007
01803 69 Allocated BT 4+6 - 15/07/1994
01803 70 Allocated Affiniti Integrated Solutions Ltd 4+6 - 04/11/1998
01803 71 Allocated BT 4+6 - 15/07/1994
01803 72 Allocated BT 4+6 - 15/07/1994
01803 73 Allocated BT 4+6 - 15/07/1994
01803 740 Protected - 4+6 - -
01803 741 Protected - 4+6 - -
01803 742 Protected - 4+6 - -
01803 743 Protected - 4+6 - -
01803 744 Protected - 4+6 - -
01803 745 Protected - 4+6 - -
01803 746 Protected - 4+6 - -
01803 747 Protected - 4+6 - -
01803 748 Protected - 4+6 - -
01803 749 Protected - 4+6 - -
01803 75 Allocated BT 4+6 - 15/07/1994
01803 76 Allocated BT 4+6 - 15/07/1994
01803 77 Allocated BT 4+6 - 15/07/1994
01803 78 Allocated BT 4+6 - 15/07/1994
01803 79 Allocated Syntec Limited 4+6 - 16/12/2005
01803 80 Allocated IV Response Limited 4+6 - 25/07/2005
01803 81 Allocated BT 4+6 - 15/07/1994
01803 820 Allocated Digitech Solutions Global Limited 4+6 - 09/09/2010
01803 821 Protected - 4+6 - -
01803 822 Protected - 4+6 - -
01803 823 Protected - 4+6 - -
01803 824 Protected - 4+6 - -
01803 825 Protected - 4+6 - -
01803 826 Protected - 4+6 - -
01803 827 Protected - 4+6 - -
01803 828 Protected - 4+6 - -
01803 829 Protected - 4+6 - -
01803 83 Allocated BT 4+6 - 15/07/1994
01803 84 Allocated BT 4+6 - 15/07/1994
01803 85 Allocated BT 4+6 - 15/07/1994
01803 86 Allocated BT 4+6 - 15/07/1994
01803 87 Allocated BT 4+6 - 15/07/1994
01803 88 Allocated BT 4+6 - 15/07/1994
01803 89 Allocated Magrathea Telecommunications Limited 4+6 - 24/09/2004
01803 900 Protected - 4+6 - -
01803 901 Protected - 4+6 - -
01803 902 Protected - 4+6 - -
01803 903 Protected - 4+6 - -
01803 904 Protected - 4+6 - -
01803 905 Protected - 4+6 - -
01803 906 Protected - 4+6 - -
01803 907 Protected - 4+6 - -
01803 908 Protected - 4+6 - -
01803 909 Protected - 4+6 - -
01803 910 Protected - 4+6 - -
01803 911 Protected - 4+6 - -
01803 912 Protected - 4+6 - -
01803 913 Protected - 4+6 - -
01803 914 Protected - 4+6 - -
01803 915 Protected - 4+6 - -
01803 916 Protected - 4+6 - -
01803 917 Protected - 4+6 - -
01803 918 Protected - 4+6 - -
01803 919 Protected - 4+6 - -
01803 920 Protected - 4+6 - -
01803 921 Protected - 4+6 - -
01803 922 Protected - 4+6 - -
01803 923 Protected - 4+6 - -
01803 924 Protected - 4+6 - -
01803 925 Protected - 4+6 - -
01803 926 Protected - 4+6 - -
01803 927 Protected - 4+6 - -
01803 928 Protected - 4+6 - -
01803 929 Protected - 4+6 - -
01803 930 Protected - 4+6 - -
01803 931 Protected - 4+6 - -
01803 932 Protected - 4+6 - -
01803 933 Protected - 4+6 - -
01803 934 Protected - 4+6 - -
01803 935 Protected - 4+6 - -
01803 936 Protected - 4+6 - -
01803 937 Protected - 4+6 - -
01803 938 Protected - 4+6 - -
01803 939 Protected - 4+6 - -
01803 940 Protected - 4+6 - -
01803 941 Protected - 4+6 - -
01803 942 Protected - 4+6 - -
01803 943 Protected - 4+6 - -
01803 944 Protected - 4+6 - -
01803 945 Protected - 4+6 - -
01803 946 Protected - 4+6 - -
01803 947 Protected - 4+6 - -
01803 948 Protected - 4+6 - -
01803 949 Protected - 4+6 - -
01803 950 Protected - 4+6 - -
01803 951 Protected - 4+6 - -
01803 952 Protected - 4+6 - -
01803 953 Protected - 4+6 - -
01803 954 Protected - 4+6 - -
01803 955 Protected - 4+6 - -
01803 956 Protected - 4+6 - -
01803 957 Protected - 4+6 - -
01803 958 Protected - 4+6 - -
01803 959 Protected - 4+6 - -
01803 960 Protected - 4+6 - -
01803 961 Protected - 4+6 - -
01803 962 Protected - 4+6 - -
01803 963 Protected - 4+6 - -
01803 964 Protected - 4+6 - -
01803 965 Protected - 4+6 - -
01803 966 Protected - 4+6 - -
01803 967 Protected - 4+6 - -
01803 968 Protected - 4+6 - -
01803 969 Protected - 4+6 - -
01803 970 Protected - 4+6 - -
01803 971 Protected - 4+6 - -
01803 972 Protected - 4+6 - -
01803 973 Protected - 4+6 - -
01803 974 Protected - 4+6 - -
01803 975 Protected - 4+6 - -
01803 976 Protected - 4+6 - -
01803 977 Protected - 4+6 - -
01803 978 Protected - 4+6 - -
01803 979 Protected - 4+6 - -
01803 980 Protected - 4+6 - -
01803 981 Protected - 4+6 - -
01803 982 Protected - 4+6 - -
01803 983 Protected - 4+6 - -
01803 984 Protected - 4+6 - -
01803 985 Protected - 4+6 - -
01803 986 Protected - 4+6 - -
01803 987 Protected - 4+6 - -
01803 988 Protected - 4+6 - -
01803 989 Protected - 4+6 - -
01803 99 Protected - N/A - -