Code allocations for the 01451 STD code

Summary

  • Status
    • Allocated: 100
    • Free: 13
    • Free for National Dialling Only: 20
    • Protected: 255
  • Operators : 86
  • Latest change : November 2009
Click here for Status definitions
Have you received a call from a number beginning 01451? Get information on a full number beginning 01451, using our full UK number search.
Find out about the location and calling costs for 01451 numbers on our 01451 code page.

This page contains information about which telephone companies the various 01451 numbers are allocated to.

First Digits Status Communications Provider Number Length Notes Change
01451 00 Free for National Dialling Only - (0)+10 - -
01451 01 Free for National Dialling Only - (0)+10 - -
01451 02 Free for National Dialling Only - (0)+10 - -
01451 03 Free for National Dialling Only - (0)+10 - -
01451 04 Free for National Dialling Only - (0)+10 - -
01451 05 Free for National Dialling Only - (0)+10 - -
01451 06 Free for National Dialling Only - (0)+10 - -
01451 07 Free for National Dialling Only - (0)+10 - -
01451 08 Free for National Dialling Only - (0)+10 - -
01451 09 Free for National Dialling Only - (0)+10 - -
01451 10 Free for National Dialling Only - (0)+10 - -
01451 11 Free for National Dialling Only - (0)+10 - -
01451 12 Free for National Dialling Only - (0)+10 - -
01451 13 Free for National Dialling Only - (0)+10 - -
01451 14 Free for National Dialling Only - (0)+10 - -
01451 15 Free for National Dialling Only - (0)+10 - -
01451 16 Free for National Dialling Only - (0)+10 - -
01451 17 Free for National Dialling Only - (0)+10 - -
01451 18 Free for National Dialling Only - (0)+10 - -
01451 19 Free for National Dialling Only - (0)+10 - -
01451 200 Protected - 4+6 - -
01451 201 Protected - 4+6 - -
01451 202 Protected - 4+6 - -
01451 203 Protected - 4+6 - -
01451 204 Protected - 4+6 - -
01451 205 Protected - 4+6 - -
01451 206 Protected - 4+6 - -
01451 207 Protected - 4+6 - -
01451 208 Protected - 4+6 - -
01451 209 Protected - 4+6 - -
01451 21 Allocated TelNG Limited 4+6 F-Digit '2' 27/02/2007
01451 22 Allocated Localphone Limited 4+6 F-Digit '0' 03/05/2007
01451 23 Allocated Starcomm Ltd 4+6 F-Digit '0' 24/05/2007
01451 24 Allocated Teledesign Ltd 4+6 F-Digit '2' 03/09/2007
01451 25 Allocated Net-Work Internet Ltd 4+6 F-Digit '0' 24/09/2007
01451 26 Allocated Frontier Systems Ltd 4+6 F-Digit '3' 27/09/2007
01451 27 Allocated (aq) Limited trading as aql 4+6 - 02/10/2007
01451 28 Allocated InTechnology Plc 4+6 F-Digit '2' 02/07/2007
01451 29 Allocated Nationwide Telephone Assistance Ltd 4+6 F-Digit '0' 22/10/2007
01451 30 Allocated VoIP-Un Limited 4+6 F-Digit '0' 29/10/2007
01451 31 Allocated Entanet International Ltd 4+6 F-Digit '0' 20/12/2007
01451 32 Allocated Timico Limited 4+6 F-Digit '8' 30/11/2007
01451 330 Protected - 4+6 - -
01451 331 Protected - 4+6 - -
01451 332 Protected - 4+6 - -
01451 333 Protected - 4+6 - -
01451 334 Protected - 4+6 - -
01451 335 Protected - 4+6 - -
01451 336 Protected - 4+6 - -
01451 337 Allocated Premium O Limited 4+6 - 08/01/2008
01451 338 Protected - 4+6 - -
01451 339 Protected - 4+6 - -
01451 34 Allocated Telecom2 Ltd 4+6 F-Digit '6' 11/09/2009
01451 35 Allocated Nodemax Limited 4+6 F-Digit '0' 08/07/2008
01451 36 Allocated 3C Limited 4+6 F-Digit '2' 11/09/2008
01451 370 Allocated Voxbone SA 4+6 - 12/12/2011
01451 371 Protected - 4+6 - -
01451 372 Protected - 4+6 - -
01451 373 Protected - 4+6 - -
01451 374 Protected - 4+6 - -
01451 375 Protected - 4+6 - -
01451 376 Protected - 4+6 - -
01451 377 Protected - 4+6 - -
01451 378 Protected - 4+6 - -
01451 379 Protected - 4+6 - -
01451 38 Allocated Solutios Limited 4+6 F-Digit '2' 14/10/2008
01451 39 Allocated Mars Communications Limited 4+6 F-Digit '0' 03/02/2009
01451 40 Allocated IPV6 Limited 4+6 F-Digit '0' 05/02/2009
01451 41 Allocated Andrews & Arnold (Numbers) Ltd 4+6 F-Digit '0' 06/03/2009
01451 42 Allocated Telecoms World Plc 4+6 F-Digit '0' 19/03/2009
01451 43 Allocated Nexus Telecommunications Limited 4+6 F-Digit '0' 11/06/2009
01451 44 Allocated X-Pilot Limited 4+6 F-Digit '0' 17/06/2009
01451 45 Allocated Mundio Mobile Limited 4+6 F-Digit '6' 01/07/2009
01451 46 Allocated CFL Communications Limited 4+6 F-Digit '0' 10/07/2009
01451 47 Allocated Known Communications Limited 4+6 F-Digit '0' 17/09/2009
01451 480 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 30/11/2009
01451 481 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 30/11/2009
01451 482 Protected - 4+6 - -
01451 483 Protected - 4+6 - -
01451 484 Protected - 4+6 - -
01451 485 Protected - 4+6 - -
01451 486 Protected - 4+6 - -
01451 487 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 30/11/2009
01451 488 Protected - 4+6 - -
01451 489 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 30/11/2009
01451 490 Allocated Digitech Solutions Global Limited 4+6 - 28/04/2010
01451 491 Allocated Calltracks Limited 4+6 - 08/07/2010
01451 492 Allocated Numbergroup Network Ltd 4+6 - 08/11/2010
01451 493 Allocated Affiniti Integrated Solutions Ltd 4+6 - 09/07/2010
01451 494 Allocated Suretec Systems Ltd 4+6 - 06/05/2010
01451 495 Allocated Telappliant Ltd 4+6 - 01/06/2010
01451 496 Allocated Telephone Box Limited 4+6 - 26/11/2010
01451 497 Allocated VoiceHost Limited 4+6 - 27/09/2010
01451 498 Allocated Atomstream Limited 4+6 - 11/05/2010
01451 499 Allocated Windsor Telecom Plc 4+6 - 21/07/2010
01451 500 Allocated Cheers International Sales Limited 4+6 - 14/12/2010
01451 501 Allocated Phone Co-Op Numbering Limited 4+6 - 22/12/2010
01451 502 Allocated IP Base Ltd 4+6 - 04/02/2011
01451 503 Allocated Globecom International Limited 4+6 - 08/02/2011
01451 504 Allocated Nexbridge Communications Limited 4+6 - 16/03/2011
01451 505 Free - 4+6 - -
01451 506 Free - 4+6 - -
01451 507 Allocated TG Support Limited 4+6 - 15/09/2011
01451 508 Allocated Invoco Ltd 4+6 - 22/09/2011
01451 509 Allocated British Sky Broadcasting Limited 4+6 - 22/09/2011
01451 510 Allocated Barritec Limited 4+6 - 23/09/2011
01451 511 Allocated Orbtalk Limited 4+6 - 10/11/2011
01451 512 Allocated Internexus Networks Limited 4+6 - 21/11/2011
01451 513 Allocated Bicom Systems EURL 4+6 - 02/03/2012
01451 514 Allocated Simwood eSMS Limited 4+6 - 28/03/2012
01451 515 Allocated Broadcast Telecom Ltd 4+6 - 21/02/2012
01451 516 Allocated API Telecom Limited 4+6 - 30/03/2012
01451 517 Allocated ICC Networks Ltd 4+6 - 13/04/2012
01451 518 Allocated IOVOX Limited 4+6 - 03/07/2012
01451 519 Allocated Ziron (UK) Ltd 4+6 - 30/07/2012
01451 520 Allocated Content Guru Ltd 4+6 - 15/10/2012
01451 521 Allocated Hello Telecom (UK) PLC 4+6 - 20/07/2012
01451 522 Allocated We Love Communications Limited 4+6 - 08/08/2012
01451 523 Allocated Kalnet4u Ltd 4+6 - 20/05/2013
01451 524 Allocated iHub UK Ltd 4+6 - 16/08/2013
01451 525 Allocated Minotaur Telecom Limited 4+6 - 18/12/2012
01451 526 Allocated Radius Communications Limited 4+6 - 08/01/2014
01451 527 Free - 4+6 - -
01451 528 Allocated i-Net Communications Group Plc 4+6 - 21/06/2013
01451 529 Allocated XoverX Ltd 4+6 - 29/04/2013
01451 530 Free - 4+6 - -
01451 531 Free - 4+6 - -
01451 532 Free - 4+6 - -
01451 533 Free - 4+6 - -
01451 534 Free - 4+6 - -
01451 535 Free - 4+6 - -
01451 536 Free - 4+6 - -
01451 537 Free - 4+6 - -
01451 538 Free - 4+6 - -
01451 539 Free - 4+6 - -
01451 540 Protected - 4+6 - -
01451 541 Protected - 4+6 - -
01451 542 Protected - 4+6 - -
01451 543 Protected - 4+6 - -
01451 544 Protected - 4+6 - -
01451 545 Protected - 4+6 - -
01451 546 Protected - 4+6 - -
01451 547 Protected - 4+6 - -
01451 548 Protected - 4+6 - -
01451 549 Protected - 4+6 - -
01451 550 Protected - 4+6 - -
01451 551 Protected - 4+6 - -
01451 552 Protected - 4+6 - -
01451 553 Protected - 4+6 - -
01451 554 Protected - 4+6 - -
01451 555 Protected - 4+6 - -
01451 556 Protected - 4+6 - -
01451 557 Protected - 4+6 - -
01451 558 Protected - 4+6 - -
01451 559 Protected - 4+6 - -
01451 560 Protected - 4+6 - -
01451 561 Protected - 4+6 - -
01451 562 Protected - 4+6 - -
01451 563 Protected - 4+6 - -
01451 564 Protected - 4+6 - -
01451 565 Protected - 4+6 - -
01451 566 Protected - 4+6 - -
01451 567 Protected - 4+6 - -
01451 568 Protected - 4+6 - -
01451 569 Protected - 4+6 - -
01451 570 Protected - 4+6 - -
01451 571 Protected - 4+6 - -
01451 572 Protected - 4+6 - -
01451 573 Protected - 4+6 - -
01451 574 Protected - 4+6 - -
01451 575 Protected - 4+6 - -
01451 576 Protected - 4+6 - -
01451 577 Protected - 4+6 - -
01451 578 Protected - 4+6 - -
01451 579 Protected - 4+6 - -
01451 580 Protected - 4+6 - -
01451 581 Protected - 4+6 - -
01451 582 Protected - 4+6 - -
01451 583 Protected - 4+6 - -
01451 584 Protected - 4+6 - -
01451 585 Protected - 4+6 - -
01451 586 Protected - 4+6 - -
01451 587 Protected - 4+6 - -
01451 588 Protected - 4+6 - -
01451 589 Protected - 4+6 - -
01451 590 Protected - 4+6 - -
01451 591 Protected - 4+6 - -
01451 592 Protected - 4+6 - -
01451 593 Protected - 4+6 - -
01451 594 Protected - 4+6 - -
01451 595 Protected - 4+6 - -
01451 596 Protected - 4+6 - -
01451 597 Protected - 4+6 - -
01451 598 Protected - 4+6 - -
01451 599 Protected - 4+6 - -
01451 60 Allocated Gamma Telecom Holdings Ltd 4+6 - 18/04/2005
01451 61 Allocated Telephony Services Limited 4+6 - 01/11/2004
01451 62 Allocated Syntec Limited 4+6 - 01/03/2005
01451 630 Allocated Linear Telecoms Limited 4+6 - 12/10/2010
01451 631 Protected - 4+6 - -
01451 632 Protected - 4+6 - -
01451 633 Protected - 4+6 - -
01451 634 Protected - 4+6 - -
01451 635 Protected - 4+6 - -
01451 636 Protected - 4+6 - -
01451 637 Protected - 4+6 - -
01451 638 Protected - 4+6 - -
01451 639 Protected - 4+6 - -
01451 640 Protected - 4+6 - -
01451 641 Protected - 4+6 - -
01451 642 Protected - 4+6 - -
01451 643 Protected - 4+6 - -
01451 644 Protected - 4+6 - -
01451 645 Protected - 4+6 - -
01451 646 Protected - 4+6 - -
01451 647 Protected - 4+6 - -
01451 648 Protected - 4+6 - -
01451 649 Protected - 4+6 - -
01451 65 Allocated Vodafone Ltd (Energis) 4+6 - 26/05/2006
01451 660 Allocated Inclarity Communications Ltd 4+6 - 03/02/2005
01451 661 Allocated Inclarity Communications Ltd 4+6 - 03/02/2005
01451 662 Allocated Inclarity Communications Ltd 4+6 - 03/02/2005
01451 663 Protected - 4+6 - -
01451 664 Protected - 4+6 - -
01451 665 Allocated Inclarity Communications Ltd 4+6 - 03/02/2005
01451 666 Protected - 4+6 - -
01451 667 Protected - 4+6 - -
01451 668 Protected - 4+6 - -
01451 669 Protected - 4+6 - -
01451 67 Allocated Edge Telecom Limited 4+6 - 06/04/2005
01451 68 Allocated FleXtel Limited 4+6 - 24/10/2005
01451 69 Allocated Danemere Street Creative 4+6 - 04/07/2006
01451 700 Allocated Six Degrees Unified Comms Limited 4+6 - 28/11/2005
01451 701 Protected - 4+6 - -
01451 702 Protected - 4+6 - -
01451 703 Protected - 4+6 - -
01451 704 Allocated Six Degrees Unified Comms Limited 4+6 - 28/11/2005
01451 705 Protected - 4+6 - -
01451 706 Protected - 4+6 - -
01451 707 Protected - 4+6 - -
01451 708 Protected - 4+6 - -
01451 709 Protected - 4+6 - -
01451 710 Protected - 4+6 - -
01451 711 Protected - 4+6 - -
01451 712 Protected - 4+6 - -
01451 713 Protected - 4+6 - -
01451 714 Protected - 4+6 - -
01451 715 Protected - 4+6 - -
01451 716 Protected - 4+6 - -
01451 717 Protected - 4+6 - -
01451 718 Protected - 4+6 - -
01451 719 Protected - 4+6 - -
01451 72 Allocated Barritel Limited 4+6 F-Digit '2' 09/06/2006
01451 73 Allocated Easynet Enterprise Services Limited 4+6 F-Digit '5' 14/08/2006
01451 74 Allocated Served Up Limited. 4+6 F-Digit '4' 23/05/2008
01451 750 Protected - 4+6 - -
01451 751 Protected - 4+6 - -
01451 752 Protected - 4+6 - -
01451 753 Protected - 4+6 - -
01451 754 Protected - 4+6 - -
01451 755 Protected - 4+6 - -
01451 756 Protected - 4+6 - -
01451 757 Protected - 4+6 - -
01451 758 Protected - 4+6 - -
01451 759 Protected - 4+6 - -
01451 760 Protected - 4+6 - -
01451 761 Protected - 4+6 - -
01451 762 Protected - 4+6 - -
01451 763 Protected - 4+6 - -
01451 764 Protected - 4+6 - -
01451 765 Protected - 4+6 - -
01451 766 Protected - 4+6 - -
01451 767 Allocated Spitfire Network Services Ltd 4+6 - 10/11/2011
01451 768 Protected - 4+6 - -
01451 769 Protected - 4+6 - -
01451 77 Allocated Net Solutions Europe Limited 4+6 F-Digit '7' 29/03/2006
01451 78 Allocated TTNC Limited 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9' 05/09/2006
01451 790 Protected - 4+6 - -
01451 791 Protected - 4+6 - -
01451 792 Protected - 4+6 - -
01451 793 Protected - 4+6 - -
01451 794 Protected - 4+6 - -
01451 795 Protected - 4+6 - -
01451 796 Protected - 4+6 - -
01451 797 Protected - 4+6 - -
01451 798 Allocated TalkTalk Communications Limited 4+6 - 28/08/2007
01451 799 Allocated TalkTalk Communications Limited 4+6 - 28/08/2007
01451 80 Allocated BT 4+6 - 29/05/1998
01451 81 Allocated BT 4+6 - 15/07/1994
01451 82 Allocated BT 4+6 - 15/07/1994
01451 83 Allocated BT 4+6 - 15/07/1994
01451 84 Allocated BT 4+6 - 15/07/1994
01451 85 Allocated BT 4+6 - 15/07/1994
01451 86 Allocated BT 4+6 - 15/07/1994
01451 87 Allocated BT 4+6 - 15/07/1994
01451 88 Allocated Magrathea Telecommunications Limited 4+6 - 24/09/2004
01451 89 Allocated Vodafone Ltd (C&W) 4+6 - 12/02/2010
01451 900 Protected - 4+6 - -
01451 901 Protected - 4+6 - -
01451 902 Protected - 4+6 - -
01451 903 Protected - 4+6 - -
01451 904 Protected - 4+6 - -
01451 905 Protected - 4+6 - -
01451 906 Protected - 4+6 - -
01451 907 Protected - 4+6 - -
01451 908 Protected - 4+6 - -
01451 909 Protected - 4+6 - -
01451 910 Protected - 4+6 - -
01451 911 Protected - 4+6 - -
01451 912 Protected - 4+6 - -
01451 913 Protected - 4+6 - -
01451 914 Protected - 4+6 - -
01451 915 Protected - 4+6 - -
01451 916 Protected - 4+6 - -
01451 917 Protected - 4+6 - -
01451 918 Protected - 4+6 - -
01451 919 Protected - 4+6 - -
01451 920 Protected - 4+6 - -
01451 921 Protected - 4+6 - -
01451 922 Protected - 4+6 - -
01451 923 Protected - 4+6 - -
01451 924 Protected - 4+6 - -
01451 925 Protected - 4+6 - -
01451 926 Protected - 4+6 - -
01451 927 Protected - 4+6 - -
01451 928 Protected - 4+6 - -
01451 929 Protected - 4+6 - -
01451 930 Protected - 4+6 - -
01451 931 Protected - 4+6 - -
01451 932 Protected - 4+6 - -
01451 933 Protected - 4+6 - -
01451 934 Protected - 4+6 - -
01451 935 Protected - 4+6 - -
01451 936 Protected - 4+6 - -
01451 937 Protected - 4+6 - -
01451 938 Protected - 4+6 - -
01451 939 Protected - 4+6 - -
01451 940 Protected - 4+6 - -
01451 941 Protected - 4+6 - -
01451 942 Protected - 4+6 - -
01451 943 Protected - 4+6 - -
01451 944 Protected - 4+6 - -
01451 945 Protected - 4+6 - -
01451 946 Protected - 4+6 - -
01451 947 Protected - 4+6 - -
01451 948 Protected - 4+6 - -
01451 949 Protected - 4+6 - -
01451 950 Protected - 4+6 - -
01451 951 Protected - 4+6 - -
01451 952 Protected - 4+6 - -
01451 953 Protected - 4+6 - -
01451 954 Protected - 4+6 - -
01451 955 Protected - 4+6 - -
01451 956 Protected - 4+6 - -
01451 957 Protected - 4+6 - -
01451 958 Protected - 4+6 - -
01451 959 Protected - 4+6 - -
01451 960 Protected - 4+6 - -
01451 961 Protected - 4+6 - -
01451 962 Protected - 4+6 - -
01451 963 Protected - 4+6 - -
01451 964 Protected - 4+6 - -
01451 965 Protected - 4+6 - -
01451 966 Protected - 4+6 - -
01451 967 Protected - 4+6 - -
01451 968 Protected - 4+6 - -
01451 969 Protected - 4+6 - -
01451 970 Protected - 4+6 - -
01451 971 Protected - 4+6 - -
01451 972 Protected - 4+6 - -
01451 973 Protected - 4+6 - -
01451 974 Protected - 4+6 - -
01451 975 Protected - 4+6 - -
01451 976 Protected - 4+6 - -
01451 977 Protected - 4+6 - -
01451 978 Protected - 4+6 - -
01451 979 Protected - 4+6 - -
01451 980 Protected - 4+6 - -
01451 981 Protected - 4+6 - -
01451 982 Protected - 4+6 - -
01451 983 Protected - 4+6 - -
01451 984 Protected - 4+6 - -
01451 985 Protected - 4+6 - -
01451 986 Protected - 4+6 - -
01451 987 Protected - 4+6 - -
01451 988 Protected - 4+6 - -
01451 989 Protected - 4+6 - -
01451 99 Protected - N/A - -