Code allocations for the 01550 STD code

Summary

  • Status
    • Allocated: 96
    • Free: 5
    • Free for National Dialling Only: 20
    • Protected: 321
  • Operators : 80
  • Latest change : October 2007
Click here for Status definitions
Have you received a call from a number beginning 01550? Get information on a full number beginning 01550, using our full UK number search.
Find out about the location and calling costs for 01550 numbers on our 01550 code page.

This page contains information about which telephone companies the various 01550 numbers are allocated to.

First Digits Status Communications Provider Number Length Notes Change
01550 00 Free for National Dialling Only - (0)+10 - -
01550 01 Free for National Dialling Only - (0)+10 - -
01550 02 Free for National Dialling Only - (0)+10 - -
01550 03 Free for National Dialling Only - (0)+10 - -
01550 04 Free for National Dialling Only - (0)+10 - -
01550 05 Free for National Dialling Only - (0)+10 - -
01550 06 Free for National Dialling Only - (0)+10 - -
01550 07 Free for National Dialling Only - (0)+10 - -
01550 08 Free for National Dialling Only - (0)+10 - -
01550 09 Free for National Dialling Only - (0)+10 - -
01550 10 Free for National Dialling Only - (0)+10 - -
01550 11 Free for National Dialling Only - (0)+10 - -
01550 12 Free for National Dialling Only - (0)+10 - -
01550 13 Free for National Dialling Only - (0)+10 - -
01550 14 Free for National Dialling Only - (0)+10 - -
01550 15 Free for National Dialling Only - (0)+10 - -
01550 16 Free for National Dialling Only - (0)+10 - -
01550 17 Free for National Dialling Only - (0)+10 - -
01550 18 Free for National Dialling Only - (0)+10 - -
01550 19 Free for National Dialling Only - (0)+10 - -
01550 20 Allocated Frontier Systems Ltd 4+6 F-Digit '3' 26/09/2007
01550 21 Allocated Nationwide Telephone Assistance Ltd 4+6 F-Digit '0' 02/10/2007
01550 22 Allocated Teledesign Ltd 4+6 F-Digit '2' 12/09/2007
01550 230 Protected - 4+6 - -
01550 231 Protected - 4+6 - -
01550 232 Protected - 4+6 - -
01550 233 Protected - 4+6 - -
01550 234 Protected - 4+6 - -
01550 235 Protected - 4+6 - -
01550 236 Protected - 4+6 - -
01550 237 Allocated Premium O Limited 4+6 - 10/01/2008
01550 238 Protected - 4+6 - -
01550 239 Protected - 4+6 - -
01550 24 Allocated Telecom2 Ltd 4+6 F-Digit '6' 10/09/2009
01550 25 Allocated Timico Limited 4+6 F-Digit '8' 14/05/2008
01550 26 Allocated Nodemax Limited 4+6 F-Digit '0' 17/07/2008
01550 27 Allocated Starcomm Ltd 4+6 F-Digit '0' 19/09/2008
01550 280 Allocated Voxbone SA 4+6 - 09/12/2011
01550 281 Protected - 4+6 - -
01550 282 Protected - 4+6 - -
01550 283 Protected - 4+6 - -
01550 284 Protected - 4+6 - -
01550 285 Protected - 4+6 - -
01550 286 Protected - 4+6 - -
01550 287 Protected - 4+6 - -
01550 288 Protected - 4+6 - -
01550 289 Protected - 4+6 - -
01550 29 Allocated 3C Limited 4+6 F-Digit '2' 01/10/2008
01550 300 Allocated Inclarity Communications Ltd 4+6 - 01/02/2006
01550 301 Allocated Inclarity Communications Ltd 4+6 - 01/02/2006
01550 302 Allocated Inclarity Communications Ltd 4+6 - 01/02/2006
01550 303 Protected - 4+6 - -
01550 304 Protected - 4+6 - -
01550 305 Allocated Inclarity Communications Ltd 4+6 - 01/02/2006
01550 306 Protected - 4+6 - -
01550 307 Protected - 4+6 - -
01550 308 Protected - 4+6 - -
01550 309 Protected - 4+6 - -
01550 310 Protected - 4+6 - -
01550 311 Protected - 4+6 - -
01550 312 Protected - 4+6 - -
01550 313 Protected - 4+6 - -
01550 314 Protected - 4+6 - -
01550 315 Protected - 4+6 - -
01550 316 Protected - 4+6 - -
01550 317 Protected - 4+6 - -
01550 318 Protected - 4+6 - -
01550 319 Protected - 4+6 - -
01550 32 Allocated TTNC Limited 4+6 F-Digit '0,1,2,3,4,5,6,7,8,9' 12/09/2006
01550 33 Allocated Served Up Limited. 4+6 F-Digit '3' 27/05/2008
01550 340 Protected - 4+6 - -
01550 341 Protected - 4+6 - -
01550 342 Protected - 4+6 - -
01550 343 Protected - 4+6 - -
01550 344 Protected - 4+6 - -
01550 345 Protected - 4+6 - -
01550 346 Protected - 4+6 - -
01550 347 Protected - 4+6 - -
01550 348 Protected - 4+6 - -
01550 349 Protected - 4+6 - -
01550 35 Allocated Net Solutions Europe Limited 4+6 F-Digit '5' 08/03/2006
01550 36 Allocated Barritel Limited 4+6 F-Digit '2' 15/08/2006
01550 370 Protected - 4+6 - -
01550 371 Protected - 4+6 - -
01550 372 Protected - 4+6 - -
01550 373 Protected - 4+6 - -
01550 374 Protected - 4+6 - -
01550 375 Protected - 4+6 - -
01550 376 Protected - 4+6 - -
01550 377 Allocated Spitfire Network Services Ltd 4+6 - 10/11/2011
01550 378 Protected - 4+6 - -
01550 379 Protected - 4+6 - -
01550 38 Allocated TelNG Limited 4+6 F-Digit '2' 28/02/2007
01550 39 Allocated Localphone Limited 4+6 F-Digit '0' 04/05/2007
01550 40 Allocated (aq) Limited trading as aql 4+6 F-Digit '0' 19/10/2011
01550 41 Allocated VoIP-Un Limited 4+6 F-Digit '0' 31/10/2007
01550 42 Allocated Telephony Services Limited 4+6 F-Digit '2' 02/01/2008
01550 43 Allocated Solutios Limited 4+6 F-Digit '2' 29/10/2008
01550 44 Allocated Net-Work Internet Ltd 4+6 F-Digit '4' 03/11/2008
01550 45 Allocated Mars Communications Limited 4+6 F-Digit '0' 05/02/2009
01550 46 Allocated IPV6 Limited 4+6 F-Digit '0' 13/02/2009
01550 47 Allocated Andrews & Arnold (Numbers) Ltd 4+6 F-Digit '0' 19/03/2009
01550 48 Allocated X-Pilot Limited 4+6 F-Digit '0' 17/06/2009
01550 49 Allocated Nexus Telecommunications Limited 4+6 F-Digit '0' 11/06/2009
01550 50 Allocated Mundio Mobile Limited 4+6 F-Digit '6' 07/07/2009
01550 51 Allocated CFL Communications Limited 4+6 F-Digit '0' 13/07/2009
01550 52 Allocated Known Communications Limited 4+6 F-Digit '0' 18/09/2009
01550 530 Allocated Digitech Solutions Global Limited 4+6 - 27/04/2010
01550 531 Allocated Calltracks Limited 4+6 - 08/07/2010
01550 532 Allocated Windsor Telecom Plc 4+6 - 22/07/2010
01550 533 Allocated Atomstream Limited 4+6 - 12/05/2010
01550 534 Allocated Telappliant Ltd 4+6 - 16/06/2010
01550 535 Allocated Suretec Systems Ltd 4+6 - 06/05/2010
01550 536 Allocated Simwood eSMS Limited 4+6 - 13/08/2010
01550 537 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 19/08/2010
01550 538 Allocated Affiniti Integrated Solutions Ltd 4+6 - 01/12/2010
01550 539 Allocated Telephone Box Limited 4+6 - 10/12/2010
01550 54 Allocated Danemere Street Creative 4+6 F-Digit '2' 21/07/2009
01550 550 Allocated Cheers International Sales Limited 4+6 - 14/12/2010
01550 551 Allocated IP Base Ltd 4+6 - 03/02/2011
01550 552 Allocated Nexbridge Communications Limited 4+6 - 16/03/2011
01550 553 Free - 4+6 - -
01550 554 Allocated Invoco Ltd 4+6 - 26/09/2011
01550 555 Protected - 4+6 - -
01550 556 Free - 4+6 - -
01550 557 Allocated Barritec Limited 4+6 - 23/09/2011
01550 558 Allocated Hello Telecom (UK) PLC 4+6 - 10/11/2011
01550 559 Allocated Internexus Networks Limited 4+6 - 21/11/2011
01550 560 Allocated Phone Co-Op Numbering Limited 4+6 - 23/12/2010
01550 561 Allocated Invosys Limited 4+6 - 17/01/2011
01550 562 Allocated Globecom International Limited 4+6 - 04/01/2011
01550 563 Allocated Orbtalk Limited 4+6 - 27/01/2012
01550 564 Allocated API Telecom Limited 4+6 - 30/03/2012
01550 565 Allocated ICC Networks Ltd 4+6 - 17/04/2012
01550 566 Allocated Broadcast Telecom Ltd 4+6 - 29/02/2012
01550 567 Allocated IOVOX Limited 4+6 - 03/07/2012
01550 568 Allocated Ziron (UK) Ltd 4+6 - 30/07/2012
01550 569 Allocated We Love Communications Limited 4+6 - 13/08/2012
01550 570 Allocated i-Net Communications Group Plc 4+6 - 25/06/2013
01550 571 Allocated Radius Communications Limited 4+6 - 09/01/2014
01550 572 Allocated Kalnet4u Ltd 4+6 - 22/05/2013
01550 573 Allocated iHub UK Ltd 4+6 - 16/08/2013
01550 574 Free - 4+6 - -
01550 575 Allocated Minotaur Telecom Limited 4+6 - 04/02/2013
01550 576 Free - 4+6 - -
01550 577 Allocated Content Guru Ltd 4+6 - 12/10/2012
01550 578 Free - 4+6 - -
01550 579 Allocated XoverX Ltd 4+6 - 30/04/2013
01550 580 Protected - 4+6 - -
01550 581 Protected - 4+6 - -
01550 582 Protected - 4+6 - -
01550 583 Protected - 4+6 - -
01550 584 Protected - 4+6 - -
01550 585 Protected - 4+6 - -
01550 586 Protected - 4+6 - -
01550 587 Protected - 4+6 - -
01550 588 Protected - 4+6 - -
01550 589 Protected - 4+6 - -
01550 590 Protected - 4+6 - -
01550 591 Protected - 4+6 - -
01550 592 Protected - 4+6 - -
01550 593 Protected - 4+6 - -
01550 594 Protected - 4+6 - -
01550 595 Protected - 4+6 - -
01550 596 Protected - 4+6 - -
01550 597 Protected - 4+6 - -
01550 598 Protected - 4+6 - -
01550 599 Protected - 4+6 - -
01550 600 Protected - 4+6 - -
01550 601 Protected - 4+6 - -
01550 602 Protected - 4+6 - -
01550 603 Protected - 4+6 - -
01550 604 Protected - 4+6 - -
01550 605 Protected - 4+6 - -
01550 606 Protected - 4+6 - -
01550 607 Protected - 4+6 - -
01550 608 Protected - 4+6 - -
01550 609 Protected - 4+6 - -
01550 610 Protected - 4+6 - -
01550 611 Protected - 4+6 - -
01550 612 Protected - 4+6 - -
01550 613 Protected - 4+6 - -
01550 614 Protected - 4+6 - -
01550 615 Protected - 4+6 - -
01550 616 Protected - 4+6 - -
01550 617 Protected - 4+6 - -
01550 618 Protected - 4+6 - -
01550 619 Protected - 4+6 - -
01550 620 Protected - 4+6 - -
01550 621 Protected - 4+6 - -
01550 622 Protected - 4+6 - -
01550 623 Protected - 4+6 - -
01550 624 Protected - 4+6 - -
01550 625 Protected - 4+6 - -
01550 626 Protected - 4+6 - -
01550 627 Protected - 4+6 - -
01550 628 Protected - 4+6 - -
01550 629 Protected - 4+6 - -
01550 630 Protected - 4+6 - -
01550 631 Protected - 4+6 - -
01550 632 Protected - 4+6 - -
01550 633 Protected - 4+6 - -
01550 634 Protected - 4+6 - -
01550 635 Protected - 4+6 - -
01550 636 Protected - 4+6 - -
01550 637 Protected - 4+6 - -
01550 638 Protected - 4+6 - -
01550 639 Protected - 4+6 - -
01550 640 Protected - 4+6 - -
01550 641 Protected - 4+6 - -
01550 642 Protected - 4+6 - -
01550 643 Protected - 4+6 - -
01550 644 Protected - 4+6 - -
01550 645 Protected - 4+6 - -
01550 646 Protected - 4+6 - -
01550 647 Protected - 4+6 - -
01550 648 Protected - 4+6 - -
01550 649 Protected - 4+6 - -
01550 650 Protected - 4+6 - -
01550 651 Protected - 4+6 - -
01550 652 Protected - 4+6 - -
01550 653 Protected - 4+6 - -
01550 654 Protected - 4+6 - -
01550 655 Protected - 4+6 - -
01550 656 Protected - 4+6 - -
01550 657 Protected - 4+6 - -
01550 658 Protected - 4+6 - -
01550 659 Protected - 4+6 - -
01550 660 Protected - 4+6 - -
01550 661 Protected - 4+6 - -
01550 662 Protected - 4+6 - -
01550 663 Protected - 4+6 - -
01550 664 Protected - 4+6 - -
01550 665 Protected - 4+6 - -
01550 666 Protected - 4+6 - -
01550 667 Protected - 4+6 - -
01550 668 Protected - 4+6 - -
01550 669 Protected - 4+6 - -
01550 670 Protected - 4+6 - -
01550 671 Protected - 4+6 - -
01550 672 Protected - 4+6 - -
01550 673 Protected - 4+6 - -
01550 674 Protected - 4+6 - -
01550 675 Protected - 4+6 - -
01550 676 Protected - 4+6 - -
01550 677 Protected - 4+6 - -
01550 678 Protected - 4+6 - -
01550 679 Protected - 4+6 - -
01550 680 Protected - 4+6 - -
01550 681 Protected - 4+6 - -
01550 682 Protected - 4+6 - -
01550 683 Protected - 4+6 - -
01550 684 Protected - 4+6 - -
01550 685 Protected - 4+6 - -
01550 686 Protected - 4+6 - -
01550 687 Protected - 4+6 - -
01550 688 Protected - 4+6 - -
01550 689 Protected - 4+6 - -
01550 690 Protected - 4+6 - -
01550 691 Protected - 4+6 - -
01550 692 Protected - 4+6 - -
01550 693 Protected - 4+6 - -
01550 694 Protected - 4+6 - -
01550 695 Protected - 4+6 - -
01550 696 Protected - 4+6 - -
01550 697 Protected - 4+6 - -
01550 698 Protected - 4+6 - -
01550 699 Protected - 4+6 - -
01550 700 Allocated Linear Telecoms Limited 4+6 - 12/10/2010
01550 701 Protected - 4+6 - -
01550 702 Protected - 4+6 - -
01550 703 Protected - 4+6 - -
01550 704 Protected - 4+6 - -
01550 705 Protected - 4+6 - -
01550 706 Protected - 4+6 - -
01550 707 Protected - 4+6 - -
01550 708 Protected - 4+6 - -
01550 709 Protected - 4+6 - -
01550 71 Allocated Magrathea Telecommunications Limited 4+6 - 24/09/2004
01550 72 Allocated BT 4+6 - 15/07/1994
01550 73 Allocated Vodafone Ltd (C&W) 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9' 15/02/2010
01550 74 Allocated BT 4+6 - 15/07/1994
01550 75 Allocated BT 4+6 - 15/07/1994
01550 76 Allocated BT 4+6 - 15/07/1994
01550 77 Allocated BT 4+6 - 15/07/1994
01550 78 Allocated BT 4+6 - 30/04/1996
01550 79 Allocated Edge Telecom Limited 4+6 - 06/04/2005
01550 800 Protected - 4+6 - -
01550 801 Protected - 4+6 - -
01550 802 Protected - 4+6 - -
01550 803 Protected - 4+6 - -
01550 804 Protected - 4+6 - -
01550 805 Protected - 4+6 - -
01550 806 Protected - 4+6 - -
01550 807 Protected - 4+6 - -
01550 808 Protected - 4+6 - -
01550 809 Protected - 4+6 - -
01550 810 Protected - 4+6 - -
01550 811 Protected - 4+6 - -
01550 812 Protected - 4+6 - -
01550 813 Protected - 4+6 - -
01550 814 Protected - 4+6 - -
01550 815 Protected - 4+6 - -
01550 816 Protected - 4+6 - -
01550 817 Protected - 4+6 - -
01550 818 Protected - 4+6 - -
01550 819 Protected - 4+6 - -
01550 820 Protected - 4+6 - -
01550 821 Protected - 4+6 - -
01550 822 Protected - 4+6 - -
01550 823 Protected - 4+6 - -
01550 824 Protected - 4+6 - -
01550 825 Protected - 4+6 - -
01550 826 Protected - 4+6 - -
01550 827 Protected - 4+6 - -
01550 828 Protected - 4+6 - -
01550 829 Protected - 4+6 - -
01550 830 Protected - 4+6 - -
01550 831 Protected - 4+6 - -
01550 832 Protected - 4+6 - -
01550 833 Protected - 4+6 - -
01550 834 Protected - 4+6 - -
01550 835 Protected - 4+6 - -
01550 836 Protected - 4+6 - -
01550 837 Protected - 4+6 - -
01550 838 Protected - 4+6 - -
01550 839 Protected - 4+6 - -
01550 840 Protected - 4+6 - -
01550 841 Protected - 4+6 - -
01550 842 Protected - 4+6 - -
01550 843 Protected - 4+6 - -
01550 844 Protected - 4+6 - -
01550 845 Protected - 4+6 - -
01550 846 Protected - 4+6 - -
01550 847 Protected - 4+6 - -
01550 848 Protected - 4+6 - -
01550 849 Protected - 4+6 - -
01550 850 Protected - 4+6 - -
01550 851 Protected - 4+6 - -
01550 852 Protected - 4+6 - -
01550 853 Protected - 4+6 - -
01550 854 Protected - 4+6 - -
01550 855 Protected - 4+6 - -
01550 856 Protected - 4+6 - -
01550 857 Protected - 4+6 - -
01550 858 Protected - 4+6 - -
01550 859 Protected - 4+6 - -
01550 860 Protected - 4+6 - -
01550 861 Protected - 4+6 - -
01550 862 Protected - 4+6 - -
01550 863 Protected - 4+6 - -
01550 864 Protected - 4+6 - -
01550 865 Protected - 4+6 - -
01550 866 Protected - 4+6 - -
01550 867 Protected - 4+6 - -
01550 868 Protected - 4+6 - -
01550 869 Protected - 4+6 - -
01550 870 Protected - 4+6 - -
01550 871 Protected - 4+6 - -
01550 872 Protected - 4+6 - -
01550 873 Protected - 4+6 - -
01550 874 Protected - 4+6 - -
01550 875 Protected - 4+6 - -
01550 876 Protected - 4+6 - -
01550 877 Protected - 4+6 - -
01550 878 Protected - 4+6 - -
01550 879 Protected - 4+6 - -
01550 880 Protected - 4+6 - -
01550 881 Protected - 4+6 - -
01550 882 Protected - 4+6 - -
01550 883 Protected - 4+6 - -
01550 884 Protected - 4+6 - -
01550 885 Protected - 4+6 - -
01550 886 Protected - 4+6 - -
01550 887 Protected - 4+6 - -
01550 888 Protected - 4+6 - -
01550 889 Protected - 4+6 - -
01550 890 Protected - 4+6 - -
01550 891 Protected - 4+6 - -
01550 892 Protected - 4+6 - -
01550 893 Protected - 4+6 - -
01550 894 Protected - 4+6 - -
01550 895 Protected - 4+6 - -
01550 896 Protected - 4+6 - -
01550 897 Protected - 4+6 - -
01550 898 Protected - 4+6 - -
01550 899 Protected - 4+6 - -
01550 900 Protected - 4+6 - -
01550 901 Protected - 4+6 - -
01550 902 Protected - 4+6 - -
01550 903 Protected - 4+6 - -
01550 904 Protected - 4+6 - -
01550 905 Protected - 4+6 - -
01550 906 Protected - 4+6 - -
01550 907 Protected - 4+6 - -
01550 908 Protected - 4+6 - -
01550 909 Allocated VoiceHost Limited 4+6 - 20/08/2010
01550 910 Allocated Gamma Telecom Holdings Ltd 4+6 - 24/05/2005
01550 911 Allocated Gamma Telecom Holdings Ltd 4+6 - 24/05/2005
01550 912 Allocated Gamma Telecom Holdings Ltd 4+6 - 24/05/2005
01550 913 Protected - 4+6 - -
01550 914 Protected - 4+6 - -
01550 915 Allocated Gamma Telecom Holdings Ltd 4+6 - 24/05/2005
01550 916 Allocated Gamma Telecom Holdings Ltd 4+6 - 24/05/2005
01550 917 Allocated Gamma Telecom Holdings Ltd 4+6 - 24/05/2005
01550 918 Allocated Gamma Telecom Holdings Ltd 4+6 - 24/05/2005
01550 919 Allocated Gamma Telecom Holdings Ltd 4+6 - 24/05/2005
01550 92 Allocated FleXtel Limited 4+6 - 24/10/2005
01550 930 Protected - 4+6 - -
01550 931 Protected - 4+6 - -
01550 932 Protected - 4+6 - -
01550 933 Protected - 4+6 - -
01550 934 Protected - 4+6 - -
01550 935 Protected - 4+6 - -
01550 936 Protected - 4+6 - -
01550 937 Protected - 4+6 - -
01550 938 Allocated TalkTalk Communications Limited 4+6 - 24/08/2007
01550 939 Allocated TalkTalk Communications Limited 4+6 - 24/08/2007
01550 940 Allocated Digitech Solutions Global Limited 4+6 - 07/09/2010
01550 941 Protected - 4+6 - -
01550 942 Protected - 4+6 - -
01550 943 Protected - 4+6 - -
01550 944 Protected - 4+6 - -
01550 945 Protected - 4+6 - -
01550 946 Protected - 4+6 - -
01550 947 Protected - 4+6 - -
01550 948 Protected - 4+6 - -
01550 949 Protected - 4+6 - -
01550 95 Allocated IV Response Limited 4+6 - 25/07/2005
01550 96 Allocated Syntec Limited 4+6 - 12/12/2005
01550 97 Allocated InTechnology Plc 4+6 - 28/08/2007
01550 980 Protected - 4+6 - -
01550 981 Protected - 4+6 - -
01550 982 Protected - 4+6 - -
01550 983 Protected - 4+6 - -
01550 984 Allocated Six Degrees Unified Comms Limited 4+6 - 21/12/2005
01550 985 Protected - 4+6 - -
01550 986 Protected - 4+6 - -
01550 987 Protected - 4+6 - -
01550 988 Protected - 4+6 - -
01550 989 Protected - 4+6 - -
01550 99 Protected - N/A - -