Code allocations for the 01237 STD code

Summary

  • Status
    • Free for National Dialling Only: 20
    • Allocated: 102
    • Protected: 269
    • Free: 6
  • Operators : 90
  • Latest change : January 2006
Click here for Status definitions
Have you received a call from a number beginning 01237? Get information on a full number beginning 01237, using our full UK number search.
Find out about the location and calling costs for 01237 numbers on our 01237 code page.

This page contains information about which telephone companies the various 01237 numbers are allocated to.

First Digits Status Communications Provider Number Length Notes Change
01237 00 Free for National Dialling Only - (0)+10 - -
01237 01 Free for National Dialling Only - (0)+10 - -
01237 02 Free for National Dialling Only - (0)+10 - -
01237 03 Free for National Dialling Only - (0)+10 - -
01237 04 Free for National Dialling Only - (0)+10 - -
01237 05 Free for National Dialling Only - (0)+10 - -
01237 06 Free for National Dialling Only - (0)+10 - -
01237 07 Free for National Dialling Only - (0)+10 - -
01237 08 Free for National Dialling Only - (0)+10 - -
01237 09 Free for National Dialling Only - (0)+10 - -
01237 10 Free for National Dialling Only - (0)+10 - -
01237 11 Free for National Dialling Only - (0)+10 - -
01237 12 Free for National Dialling Only - (0)+10 - -
01237 13 Free for National Dialling Only - (0)+10 - -
01237 14 Free for National Dialling Only - (0)+10 - -
01237 15 Free for National Dialling Only - (0)+10 - -
01237 16 Free for National Dialling Only - (0)+10 - -
01237 17 Free for National Dialling Only - (0)+10 - -
01237 18 Free for National Dialling Only - (0)+10 - -
01237 19 Free for National Dialling Only - (0)+10 - -
01237 20 Allocated Localphone Limited 4+6 F-Digit '0' 24/04/2007
01237 21 Allocated Starcomm Ltd 4+6 F-Digit '0' 22/05/2007
01237 22 Allocated Teledesign Ltd 4+6 F-Digit '2' 16/05/2007
01237 230 Protected - 4+6 - -
01237 231 Protected - 4+6 - -
01237 232 Protected - 4+6 - -
01237 233 Protected - 4+6 - -
01237 234 Protected - 4+6 - -
01237 235 Protected - 4+6 - -
01237 236 Protected - 4+6 - -
01237 237 Allocated TalkTalk Communications Limited 4+6 - 17/01/2012
01237 238 Allocated TalkTalk Communications Limited 4+6 - 17/01/2012
01237 239 Allocated TalkTalk Communications Limited 4+6 - 17/01/2012
01237 24 Allocated (aq) Limited trading as aql 4+6 F-Digit '0' 19/10/2011
01237 25 Allocated VoIP-Un Limited 4+6 F-Digit '0' 25/10/2007
01237 260 Allocated Voxbone SA 4+6 - 08/12/2011
01237 261 Protected - 4+6 - -
01237 262 Protected - 4+6 - -
01237 263 Protected - 4+6 - -
01237 264 Protected - 4+6 - -
01237 265 Protected - 4+6 - -
01237 266 Protected - 4+6 - -
01237 267 Protected - 4+6 - -
01237 268 Protected - 4+6 - -
01237 269 Protected - 4+6 - -
01237 27 Allocated Frontier Systems Ltd 4+6 F-Digit '3' 24/09/2007
01237 28 Allocated Timico Limited 4+6 F-Digit '8' 29/11/2007
01237 290 Protected - 4+6 - -
01237 291 Protected - 4+6 - -
01237 292 Protected - 4+6 - -
01237 293 Protected - 4+6 - -
01237 294 Protected - 4+6 - -
01237 295 Protected - 4+6 - -
01237 296 Protected - 4+6 - -
01237 297 Allocated Premium O Limited 4+6 - 28/09/2012
01237 298 Protected - 4+6 - -
01237 299 Protected - 4+6 - -
01237 30 Allocated Net-Work Internet Ltd 4+6 F-Digit '0' 28/01/2008
01237 31 Allocated Telecom2 Ltd 4+6 F-Digit '6' 11/09/2009
01237 32 Allocated Nationwide Telephone Assistance Ltd 4+6 F-Digit '0' 14/07/2008
01237 33 Allocated Nodemax Limited 4+6 F-Digit '0' 08/07/2008
01237 34 Allocated Callagenix Ltd 4+6 F-Digit '0' 24/07/2008
01237 350 Protected - 4+6 - -
01237 351 Protected - 4+6 - -
01237 352 Protected - 4+6 - -
01237 353 Protected - 4+6 - -
01237 354 Protected - 4+6 - -
01237 355 Protected - 4+6 - -
01237 356 Protected - 4+6 - -
01237 357 Protected - 4+6 - -
01237 358 Protected - 4+6 - -
01237 359 Protected - 4+6 - -
01237 36 Allocated Solutios Limited 4+6 F-Digit '2' 27/08/2008
01237 37 Allocated 3C Limited 4+6 F-Digit '2' 09/09/2008
01237 38 Allocated Barritel Limited 4+6 F-Digit '2' 08/10/2008
01237 39 Allocated IPV6 Limited 4+6 F-Digit '0' 27/01/2009
01237 40 Allocated Magrathea Telecommunications Limited 4+6 - 24/09/2004
01237 410 Allocated Inclarity Communications Ltd 4+6 - 16/02/2011
01237 411 Allocated Inclarity Communications Ltd 4+6 - 16/02/2011
01237 412 Allocated Inclarity Communications Ltd 4+6 - 16/02/2011
01237 413 Allocated Tesla Dynamic Ltd 4+6 - 07/07/2011
01237 414 Allocated Orbtalk Limited 4+6 - 05/09/2011
01237 415 Allocated Inclarity Communications Ltd 4+6 - 16/02/2011
01237 416 Free - 4+6 - -
01237 417 Allocated Barritec Limited 4+6 - 20/09/2011
01237 418 Allocated Simwood eSMS Limited 4+6 - 14/02/2012
01237 419 Allocated Bicom Systems EURL 4+6 - 02/03/2012
01237 42 Allocated BT 4+6 - 15/07/1994
01237 43 Allocated BT 4+6 - 15/07/1994
01237 44 Allocated BT 4+6 - 15/07/1994
01237 45 Allocated BT 4+6 - 15/07/1994
01237 46 Allocated Citrus Telecommunications Ltd 4+6 - 08/03/2006
01237 47 Allocated BT 4+6 - 15/07/1994
01237 48 Allocated Telephony Services Limited 4+6 F-Digit '8' 21/06/2006
01237 49 Allocated BT 4+6 - 11/09/1995
01237 50 Allocated Mars Communications Limited 4+6 F-Digit '0' 03/02/2009
01237 51 Allocated Andrews & Arnold (Numbers) Ltd 4+6 F-Digit '0' 26/02/2009
01237 520 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 01/11/2012
01237 521 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 01/11/2012
01237 522 Protected - 4+6 - -
01237 523 Protected - 4+6 - -
01237 524 Protected - 4+6 - -
01237 525 Protected - 4+6 - -
01237 526 Protected - 4+6 - -
01237 527 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 01/11/2012
01237 528 Protected - 4+6 - -
01237 529 Protected - 4+6 - -
01237 53 Allocated Telecoms World Plc 4+6 F-Digit '0' 09/03/2009
01237 54 Allocated Nexus Telecommunications Limited 4+6 F-Digit '0' 16/06/2009
01237 55 Allocated X-Pilot Limited 4+6 F-Digit '0' 16/06/2009
01237 56 Allocated Mundio Mobile Limited 4+6 F-Digit '6' 06/07/2009
01237 57 Allocated CFL Communications Limited 4+6 F-Digit '0' 08/07/2009
01237 580 Protected - 4+6 - -
01237 581 Protected - 4+6 - -
01237 582 Protected - 4+6 - -
01237 583 Allocated TeleWare PLC 4+6 - 12/12/2012
01237 584 Protected - 4+6 - -
01237 585 Protected - 4+6 - -
01237 586 Protected - 4+6 - -
01237 587 Protected - 4+6 - -
01237 588 Protected - 4+6 - -
01237 589 Protected - 4+6 - -
01237 59 Allocated Known Communications Limited 4+6 F-Digit '0' 15/09/2009
01237 60 Allocated TG Support Limited 4+6 - 05/07/2006
01237 610 Protected - 4+6 - -
01237 611 Protected - 4+6 - -
01237 612 Protected - 4+6 - -
01237 613 Protected - 4+6 - -
01237 614 Allocated Six Degrees Unified Comms Limited 4+6 - 21/12/2005
01237 615 Protected - 4+6 - -
01237 616 Protected - 4+6 - -
01237 617 Protected - 4+6 - -
01237 618 Protected - 4+6 - -
01237 619 Protected - 4+6 - -
01237 620 Protected - 4+6 - -
01237 621 Protected - 4+6 - -
01237 622 Protected - 4+6 - -
01237 623 Protected - 4+6 - -
01237 624 Protected - 4+6 - -
01237 625 Protected - 4+6 - -
01237 626 Protected - 4+6 - -
01237 627 Protected - 4+6 - -
01237 628 Protected - 4+6 - -
01237 629 Protected - 4+6 - -
01237 630 Allocated Phone Co-Op Numbering Limited 4+6 - 16/12/2010
01237 631 Allocated Cheers International Sales Limited 4+6 - 14/12/2010
01237 632 Allocated Digital Mail Limited 4+6 - 21/12/2010
01237 633 Allocated Affiniti Integrated Solutions Ltd 4+6 - 08/11/2010
01237 634 Allocated Globecom International Limited 4+6 - 24/12/2010
01237 635 Allocated Invosys Limited 4+6 - 17/01/2011
01237 636 Allocated IP Base Ltd 4+6 - 04/02/2011
01237 637 Allocated Nexbridge Communications Limited 4+6 - 14/03/2011
01237 638 Allocated Invoco Ltd 4+6 - 21/09/2011
01237 639 Allocated Broadcast Telecom Ltd 4+6 - 08/02/2012
01237 64 Allocated InTechnology Plc 4+6 F-Digit '2' 07/06/2007
01237 65 Allocated Danemere Street Creative 4+6 F-Digit '2' 03/07/2006
01237 66 Allocated TTNC Limited 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9' 31/01/2006
01237 67 Allocated Served Up Limited. 4+6 F-Digit '7' 09/05/2008
01237 680 Protected - 4+6 - -
01237 681 Protected - 4+6 - -
01237 682 Protected - 4+6 - -
01237 683 Protected - 4+6 - -
01237 684 Protected - 4+6 - -
01237 685 Protected - 4+6 - -
01237 686 Protected - 4+6 - -
01237 687 Protected - 4+6 - -
01237 688 Protected - 4+6 - -
01237 689 Protected - 4+6 - -
01237 69 Allocated TelNG Limited 4+6 F-Digit '2' 26/02/2007
01237 700 Allocated British Sky Broadcasting Limited 4+6 - 23/04/2010
01237 701 Allocated Digitech Solutions Global Limited 4+6 - 23/04/2010
01237 702 Allocated Atomstream Limited 4+6 - 23/04/2010
01237 703 Allocated Suretec Systems Ltd 4+6 - 29/04/2010
01237 704 Allocated Calltracks Limited 4+6 - 07/07/2010
01237 705 Allocated Numbergroup Network Ltd 4+6 - 04/06/2010
01237 706 Allocated Windsor Telecom Plc 4+6 - 19/07/2010
01237 707 Allocated Telappliant Ltd 4+6 - 28/05/2010
01237 708 Allocated VoiceHost Limited 4+6 - 26/08/2010
01237 709 Allocated Telephone Box Limited 4+6 - 17/11/2010
01237 710 Allocated Internexus Networks Limited 4+6 - 18/11/2011
01237 711 Allocated Minotaur Telecom Limited 4+6 - 24/11/2011
01237 712 Allocated API Telecom Limited 4+6 - 26/03/2012
01237 713 Allocated IOVOX Limited 4+6 - 03/04/2012
01237 714 Allocated ICC Networks Ltd 4+6 - 12/04/2012
01237 715 Allocated i-Net Communications Group Plc 4+6 - 20/04/2012
01237 716 Allocated Hello Telecom (UK) PLC 4+6 - 19/07/2012
01237 717 Allocated Ziron (UK) Ltd 4+6 - 27/07/2012
01237 718 Allocated We Love Communications Limited 4+6 - 07/08/2012
01237 719 Allocated Content Guru Ltd 4+6 - 12/10/2012
01237 720 Allocated Radius Communications Limited 4+6 - 07/01/2014
01237 721 Allocated British Sky Broadcasting Limited 4+6 - 02/01/2013
01237 722 Allocated Kalnet4u Ltd 4+6 - 08/05/2013
01237 723 Free - 4+6 - -
01237 724 Free - 4+6 - -
01237 725 Free - 4+6 - -
01237 726 Free - 4+6 - -
01237 727 Allocated iHub UK Ltd 4+6 - 14/08/2013
01237 728 Free - 4+6 - -
01237 729 Allocated XoverX Ltd 4+6 - 01/05/2013
01237 730 Protected - 4+6 - -
01237 731 Protected - 4+6 - -
01237 732 Protected - 4+6 - -
01237 733 Protected - 4+6 - -
01237 734 Protected - 4+6 - -
01237 735 Protected - 4+6 - -
01237 736 Protected - 4+6 - -
01237 737 Protected - 4+6 - -
01237 738 Protected - 4+6 - -
01237 739 Protected - 4+6 - -
01237 740 Protected - 4+6 - -
01237 741 Protected - 4+6 - -
01237 742 Protected - 4+6 - -
01237 743 Protected - 4+6 - -
01237 744 Protected - 4+6 - -
01237 745 Protected - 4+6 - -
01237 746 Protected - 4+6 - -
01237 747 Protected - 4+6 - -
01237 748 Protected - 4+6 - -
01237 749 Protected - 4+6 - -
01237 750 Protected - 4+6 - -
01237 751 Protected - 4+6 - -
01237 752 Protected - 4+6 - -
01237 753 Protected - 4+6 - -
01237 754 Protected - 4+6 - -
01237 755 Protected - 4+6 - -
01237 756 Protected - 4+6 - -
01237 757 Protected - 4+6 - -
01237 758 Protected - 4+6 - -
01237 759 Protected - 4+6 - -
01237 760 Protected - 4+6 - -
01237 761 Protected - 4+6 - -
01237 762 Protected - 4+6 - -
01237 763 Protected - 4+6 - -
01237 764 Protected - 4+6 - -
01237 765 Protected - 4+6 - -
01237 766 Protected - 4+6 - -
01237 767 Protected - 4+6 - -
01237 768 Protected - 4+6 - -
01237 769 Protected - 4+6 - -
01237 770 Protected - 4+6 - -
01237 771 Protected - 4+6 - -
01237 772 Protected - 4+6 - -
01237 773 Protected - 4+6 - -
01237 774 Protected - 4+6 - -
01237 775 Protected - 4+6 - -
01237 776 Protected - 4+6 - -
01237 777 Protected - 4+6 - -
01237 778 Protected - 4+6 - -
01237 779 Protected - 4+6 - -
01237 780 Protected - 4+6 - -
01237 781 Protected - 4+6 - -
01237 782 Protected - 4+6 - -
01237 783 Protected - 4+6 - -
01237 784 Protected - 4+6 - -
01237 785 Protected - 4+6 - -
01237 786 Protected - 4+6 - -
01237 787 Protected - 4+6 - -
01237 788 Protected - 4+6 - -
01237 789 Protected - 4+6 - -
01237 790 Protected - 4+6 - -
01237 791 Protected - 4+6 - -
01237 792 Protected - 4+6 - -
01237 793 Protected - 4+6 - -
01237 794 Protected - 4+6 - -
01237 795 Protected - 4+6 - -
01237 796 Protected - 4+6 - -
01237 797 Protected - 4+6 - -
01237 798 Protected - 4+6 - -
01237 799 Protected - 4+6 - -
01237 80 Allocated Vodafone Ltd (C&W) 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9' 04/02/2010
01237 810 Allocated Linear Telecoms Limited 4+6 - 04/10/2010
01237 811 Protected - 4+6 - -
01237 812 Protected - 4+6 - -
01237 813 Protected - 4+6 - -
01237 814 Protected - 4+6 - -
01237 815 Protected - 4+6 - -
01237 816 Protected - 4+6 - -
01237 817 Protected - 4+6 - -
01237 818 Protected - 4+6 - -
01237 819 Protected - 4+6 - -
01237 82 Allocated FleXtel Limited 4+6 - 19/10/2005
01237 830 Protected - 4+6 - -
01237 831 Protected - 4+6 - -
01237 832 Protected - 4+6 - -
01237 833 Protected - 4+6 - -
01237 834 Protected - 4+6 - -
01237 835 Protected - 4+6 - -
01237 836 Protected - 4+6 - -
01237 837 Protected - 4+6 - -
01237 838 Protected - 4+6 - -
01237 839 Protected - 4+6 - -
01237 840 Protected - 4+6 - -
01237 841 Protected - 4+6 - -
01237 842 Protected - 4+6 - -
01237 843 Protected - 4+6 - -
01237 844 Protected - 4+6 - -
01237 845 Protected - 4+6 - -
01237 846 Protected - 4+6 - -
01237 847 Allocated Spitfire Network Services Ltd 4+6 - 09/11/2011
01237 848 Protected - 4+6 - -
01237 849 Protected - 4+6 - -
01237 85 Allocated Verizon UK Ltd 4+6 F-Digit '1' 18/04/2007
01237 86 Allocated Syntec Limited 4+6 - 17/11/2005
01237 87 Allocated Gamma Telecom Holdings Ltd 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9' 08/04/2005
01237 88 Allocated Edge Telecom Limited 4+6 - 15/03/2005
01237 89 Allocated Net Solutions Europe Limited 4+6 - 29/11/2005
01237 900 Protected - 4+6 - -
01237 901 Protected - 4+6 - -
01237 902 Protected - 4+6 - -
01237 903 Protected - 4+6 - -
01237 904 Protected - 4+6 - -
01237 905 Protected - 4+6 - -
01237 906 Protected - 4+6 - -
01237 907 Protected - 4+6 - -
01237 908 Protected - 4+6 - -
01237 909 Protected - 4+6 - -
01237 910 Protected - 4+6 - -
01237 911 Protected - 4+6 - -
01237 912 Protected - 4+6 - -
01237 913 Protected - 4+6 - -
01237 914 Protected - 4+6 - -
01237 915 Protected - 4+6 - -
01237 916 Protected - 4+6 - -
01237 917 Protected - 4+6 - -
01237 918 Protected - 4+6 - -
01237 919 Protected - 4+6 - -
01237 920 Protected - 4+6 - -
01237 921 Protected - 4+6 - -
01237 922 Protected - 4+6 - -
01237 923 Protected - 4+6 - -
01237 924 Protected - 4+6 - -
01237 925 Protected - 4+6 - -
01237 926 Protected - 4+6 - -
01237 927 Protected - 4+6 - -
01237 928 Protected - 4+6 - -
01237 929 Protected - 4+6 - -
01237 930 Protected - 4+6 - -
01237 931 Protected - 4+6 - -
01237 932 Protected - 4+6 - -
01237 933 Protected - 4+6 - -
01237 934 Protected - 4+6 - -
01237 935 Protected - 4+6 - -
01237 936 Protected - 4+6 - -
01237 937 Protected - 4+6 - -
01237 938 Protected - 4+6 - -
01237 939 Protected - 4+6 - -
01237 940 Protected - 4+6 - -
01237 941 Protected - 4+6 - -
01237 942 Protected - 4+6 - -
01237 943 Protected - 4+6 - -
01237 944 Protected - 4+6 - -
01237 945 Protected - 4+6 - -
01237 946 Protected - 4+6 - -
01237 947 Protected - 4+6 - -
01237 948 Protected - 4+6 - -
01237 949 Protected - 4+6 - -
01237 950 Protected - 4+6 - -
01237 951 Protected - 4+6 - -
01237 952 Protected - 4+6 - -
01237 953 Protected - 4+6 - -
01237 954 Protected - 4+6 - -
01237 955 Protected - 4+6 - -
01237 956 Protected - 4+6 - -
01237 957 Protected - 4+6 - -
01237 958 Protected - 4+6 - -
01237 959 Protected - 4+6 - -
01237 960 Protected - 4+6 - -
01237 961 Protected - 4+6 - -
01237 962 Protected - 4+6 - -
01237 963 Protected - 4+6 - -
01237 964 Protected - 4+6 - -
01237 965 Protected - 4+6 - -
01237 966 Protected - 4+6 - -
01237 967 Protected - 4+6 - -
01237 968 Protected - 4+6 - -
01237 969 Protected - 4+6 - -
01237 970 Protected - 4+6 - -
01237 971 Protected - 4+6 - -
01237 972 Protected - 4+6 - -
01237 973 Protected - 4+6 - -
01237 974 Protected - 4+6 - -
01237 975 Protected - 4+6 - -
01237 976 Protected - 4+6 - -
01237 977 Protected - 4+6 - -
01237 978 Protected - 4+6 - -
01237 979 Protected - 4+6 - -
01237 980 Protected - 4+6 - -
01237 981 Protected - 4+6 - -
01237 982 Protected - 4+6 - -
01237 983 Protected - 4+6 - -
01237 984 Protected - 4+6 - -
01237 985 Protected - 4+6 - -
01237 986 Protected - 4+6 - -
01237 987 Protected - 4+6 - -
01237 988 Protected - 4+6 - -
01237 989 Protected - 4+6 - -
01237 99 Protected - N/A - -