Code allocations for the 01840 STD code

Summary

  • Status
    • Free for National Dialling Only: 20
    • Allocated: 95
    • Protected: 343
    • Free: 2
  • Operators : 81
  • Latest change : July 2012
Click here for Status definitions
Have you received a call from a number beginning 01840? Get information on a full number beginning 01840, using our full UK number search.
Find out about the location and calling costs for 01840 numbers on our 01840 code page.

This page contains information about which telephone companies the various 01840 numbers are allocated to.

First Digits Status Communications Provider Number Length Notes Change
01840 00 Free for National Dialling Only - (0)+10 - -
01840 01 Free for National Dialling Only - (0)+10 - -
01840 02 Free for National Dialling Only - (0)+10 - -
01840 03 Free for National Dialling Only - (0)+10 - -
01840 04 Free for National Dialling Only - (0)+10 - -
01840 05 Free for National Dialling Only - (0)+10 - -
01840 06 Free for National Dialling Only - (0)+10 - -
01840 07 Free for National Dialling Only - (0)+10 - -
01840 08 Free for National Dialling Only - (0)+10 - -
01840 09 Free for National Dialling Only - (0)+10 - -
01840 10 Free for National Dialling Only - (0)+10 - -
01840 11 Free for National Dialling Only - (0)+10 - -
01840 12 Free for National Dialling Only - (0)+10 - -
01840 13 Free for National Dialling Only - (0)+10 - -
01840 14 Free for National Dialling Only - (0)+10 - -
01840 15 Free for National Dialling Only - (0)+10 - -
01840 16 Free for National Dialling Only - (0)+10 - -
01840 17 Free for National Dialling Only - (0)+10 - -
01840 18 Free for National Dialling Only - (0)+10 - -
01840 19 Free for National Dialling Only - (0)+10 - -
01840 20 Allocated BT 4+6 - 15/06/1998
01840 21 Allocated BT 4+6 - 15/07/1994
01840 22 Allocated TTNC Limited 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9 10/10/2006
01840 23 Allocated BT 4+6 - 15/07/1994
01840 240 Protected - 4+6 - -
01840 241 Protected - 4+6 - -
01840 242 Protected - 4+6 - -
01840 243 Protected - 4+6 - -
01840 244 Protected - 4+6 - -
01840 245 Protected - 4+6 - -
01840 246 Protected - 4+6 - -
01840 247 Protected - 4+6 - -
01840 248 Protected - 4+6 - -
01840 249 Protected - 4+6 - -
01840 25 Allocated BT 4+6 - 15/07/1994
01840 26 Allocated BT 4+6 - 15/07/1994
01840 27 Allocated TelNG Limited 4+6 F-Digit '2' 28/02/2007
01840 28 Allocated Localphone Limited 4+6 F-Digit '0' 14/05/2007
01840 29 Allocated Magrathea Telecommunications Limited 4+6 - 19/11/2004
01840 30 Allocated VoIP-Un Limited 4+6 F-Digit '0' 05/11/2007
01840 31 Allocated Telephony Services Limited 4+6 F-Digit '2' 03/01/2008
01840 320 Protected - 4+6 - -
01840 321 Protected - 4+6 - -
01840 322 Protected - 4+6 - -
01840 323 Protected - 4+6 - -
01840 324 Protected - 4+6 - -
01840 325 Protected - 4+6 - -
01840 326 Protected - 4+6 - -
01840 327 Allocated Premium O Limited 4+6 - 08/10/2012
01840 328 Protected - 4+6 - -
01840 329 Protected - 4+6 - -
01840 33 Allocated Net-Work Internet Ltd 4+6 F-Digit '3' 28/01/2008
01840 34 Allocated InTechnology Plc 4+6 F-Digit '2' 27/02/2008
01840 35 Allocated Telecom2 Ltd 4+6 F-Digit '6' 10/09/2009
01840 36 Allocated Timico Limited 4+6 F-Digit '8' 23/05/2008
01840 370 Allocated Voxbone SA 4+6 - 12/12/2011
01840 371 Protected - 4+6 - -
01840 372 Protected - 4+6 - -
01840 373 Protected - 4+6 - -
01840 374 Protected - 4+6 - -
01840 375 Protected - 4+6 - -
01840 376 Protected - 4+6 - -
01840 377 Protected - 4+6 - -
01840 378 Protected - 4+6 - -
01840 379 Protected - 4+6 - -
01840 38 Allocated Nodemax Limited 4+6 F-Digit '0' 07/07/2008
01840 39 Allocated Starcomm Ltd 4+6 F-Digit '0' 01/10/2008
01840 40 Allocated Served Up Limited. 4+6 F-Digit '9' 22/10/2008
01840 41 Allocated Solutios Limited 4+6 F-Digit '2' 26/11/2008
01840 42 Allocated Mars Communications Limited 4+6 F-Digit '0' 04/02/2009
01840 43 Allocated 3C Limited 4+6 F-Digit '2' 20/10/2008
01840 44 Allocated IPV6 Limited 4+6 F-Digit '0' 13/02/2009
01840 45 Allocated Andrews & Arnold (Numbers) Ltd 4+6 F-Digit '0' 02/04/2009
01840 46 Allocated Telecoms World Plc 4+6 F-Digit '0' 25/06/2009
01840 47 Allocated Mundio Mobile Limited 4+6 F-Digit '6' 06/07/2009
01840 48 Allocated Danemere Street Creative 4+6 F-Digit '2' 20/07/2009
01840 49 Allocated Known Communications Limited 4+6 F-Digit '0' 18/09/2009
01840 50 Allocated CFL Communications Limited 4+6 F-Digit '0' 17/07/2009
01840 51 Allocated Nexus Telecommunications Limited 4+6 F-Digit '0' 30/09/2009
01840 520 Allocated Calltracks Limited 4+6 - 08/07/2010
01840 521 Allocated VoiceHost Limited 4+6 - 06/10/2010
01840 522 Allocated Atomstream Limited 4+6 - 14/05/2010
01840 523 Allocated Affiniti Integrated Solutions Ltd 4+6 - 01/12/2010
01840 524 Allocated Telappliant Ltd 4+6 - 22/06/2010
01840 525 Allocated Suretec Systems Ltd 4+6 - 13/05/2010
01840 526 Allocated Telephone Box Limited 4+6 - 10/12/2010
01840 527 Allocated Cheers International Sales Limited 4+6 - 15/12/2010
01840 528 Allocated Windsor Telecom Plc 4+6 - 29/07/2010
01840 529 Allocated Phone Co-Op Numbering Limited 4+6 - 23/12/2010
01840 530 Allocated Globecom International Limited 4+6 - 05/01/2011
01840 531 Allocated Invosys Limited 4+6 - 20/01/2011
01840 532 Allocated Nexbridge Communications Limited 4+6 - 17/03/2011
01840 533 Allocated IP Base Ltd 4+6 - 01/02/2011
01840 534 Protected - 4+6 - -
01840 535 Free - 4+6 - -
01840 536 Allocated Barritec Limited 4+6 - 23/09/2011
01840 537 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 21/10/2011
01840 538 Allocated Internexus Networks Limited 4+6 - 22/11/2011
01840 539 Allocated Hello Telecom (UK) PLC 4+6 - 24/11/2011
01840 540 Allocated Simwood eSMS Limited 4+6 - 02/02/2012
01840 541 Allocated Bicom Systems EURL 4+6 - 01/03/2012
01840 542 Allocated API Telecom Limited 4+6 - 18/04/2012
01840 543 Allocated ICC Networks Ltd 4+6 - 17/04/2012
01840 544 Allocated Invoco Ltd 4+6 - 22/05/2012
01840 545 Allocated Broadcast Telecom Ltd 4+6 - 13/03/2012
01840 546 Allocated Ziron (UK) Ltd 4+6 - 31/07/2012
01840 547 Allocated IOVOX Limited 4+6 - 03/07/2012
01840 548 Allocated We Love Communications Limited 4+6 - 06/08/2012
01840 549 Allocated Content Guru Ltd 4+6 - 11/10/2012
01840 550 Allocated Minotaur Telecom Limited 4+6 - 05/02/2013
01840 551 Allocated TelecomEight Network Ltd 4+6 - 09/04/2013
01840 552 Allocated Kalnet4u Ltd 4+6 - 03/06/2013
01840 553 Allocated i-Net Communications Group Plc 4+6 - 10/07/2013
01840 554 Allocated British Sky Broadcasting Limited 4+6 - 30/07/2014
01840 555 Allocated iHub UK Ltd 4+6 - 22/08/2013
01840 556 Allocated Radius Communications Limited 4+6 - 09/01/2014
01840 557 Allocated Vodafone Ltd (C&W) 4+6 - 25/07/2014
01840 558 Free - 4+6 - -
01840 559 Allocated XoverX Ltd 4+6 - 02/05/2013
01840 560 Protected - 4+6 - -
01840 561 Protected - 4+6 - -
01840 562 Protected - 4+6 - -
01840 563 Protected - 4+6 - -
01840 564 Protected - 4+6 - -
01840 565 Protected - 4+6 - -
01840 566 Protected - 4+6 - -
01840 567 Protected - 4+6 - -
01840 568 Protected - 4+6 - -
01840 569 Protected - 4+6 - -
01840 570 Protected - 4+6 - -
01840 571 Protected - 4+6 - -
01840 572 Protected - 4+6 - -
01840 573 Protected - 4+6 - -
01840 574 Protected - 4+6 - -
01840 575 Protected - 4+6 - -
01840 576 Protected - 4+6 - -
01840 577 Protected - 4+6 - -
01840 578 Protected - 4+6 - -
01840 579 Protected - 4+6 - -
01840 580 Protected - 4+6 - -
01840 581 Protected - 4+6 - -
01840 582 Protected - 4+6 - -
01840 583 Protected - 4+6 - -
01840 584 Protected - 4+6 - -
01840 585 Protected - 4+6 - -
01840 586 Protected - 4+6 - -
01840 587 Protected - 4+6 - -
01840 588 Protected - 4+6 - -
01840 589 Protected - 4+6 - -
01840 590 Protected - 4+6 - -
01840 591 Protected - 4+6 - -
01840 592 Protected - 4+6 - -
01840 593 Protected - 4+6 - -
01840 594 Protected - 4+6 - -
01840 595 Protected - 4+6 - -
01840 596 Protected - 4+6 - -
01840 597 Protected - 4+6 - -
01840 598 Protected - 4+6 - -
01840 599 Protected - 4+6 - -
01840 600 Protected - 4+6 - -
01840 601 Protected - 4+6 - -
01840 602 Protected - 4+6 - -
01840 603 Protected - 4+6 - -
01840 604 Protected - 4+6 - -
01840 605 Protected - 4+6 - -
01840 606 Protected - 4+6 - -
01840 607 Protected - 4+6 - -
01840 608 Protected - 4+6 - -
01840 609 Protected - 4+6 - -
01840 610 Protected - 4+6 - -
01840 611 Protected - 4+6 - -
01840 612 Protected - 4+6 - -
01840 613 Protected - 4+6 - -
01840 614 Protected - 4+6 - -
01840 615 Protected - 4+6 - -
01840 616 Protected - 4+6 - -
01840 617 Protected - 4+6 - -
01840 618 Protected - 4+6 - -
01840 619 Protected - 4+6 - -
01840 620 Protected - 4+6 - -
01840 621 Protected - 4+6 - -
01840 622 Protected - 4+6 - -
01840 623 Protected - 4+6 - -
01840 624 Protected - 4+6 - -
01840 625 Protected - 4+6 - -
01840 626 Protected - 4+6 - -
01840 627 Protected - 4+6 - -
01840 628 Protected - 4+6 - -
01840 629 Protected - 4+6 - -
01840 630 Protected - 4+6 - -
01840 631 Protected - 4+6 - -
01840 632 Protected - 4+6 - -
01840 633 Protected - 4+6 - -
01840 634 Protected - 4+6 - -
01840 635 Protected - 4+6 - -
01840 636 Protected - 4+6 - -
01840 637 Protected - 4+6 - -
01840 638 Protected - 4+6 - -
01840 639 Protected - 4+6 - -
01840 640 Protected - 4+6 - -
01840 641 Protected - 4+6 - -
01840 642 Protected - 4+6 - -
01840 643 Protected - 4+6 - -
01840 644 Protected - 4+6 - -
01840 645 Protected - 4+6 - -
01840 646 Protected - 4+6 - -
01840 647 Protected - 4+6 - -
01840 648 Protected - 4+6 - -
01840 649 Protected - 4+6 - -
01840 650 Protected - 4+6 - -
01840 651 Protected - 4+6 - -
01840 652 Protected - 4+6 - -
01840 653 Protected - 4+6 - -
01840 654 Protected - 4+6 - -
01840 655 Protected - 4+6 - -
01840 656 Protected - 4+6 - -
01840 657 Protected - 4+6 - -
01840 658 Protected - 4+6 - -
01840 659 Protected - 4+6 - -
01840 660 Protected - 4+6 - -
01840 661 Protected - 4+6 - -
01840 662 Protected - 4+6 - -
01840 663 Protected - 4+6 - -
01840 664 Protected - 4+6 - -
01840 665 Protected - 4+6 - -
01840 666 Protected - 4+6 - -
01840 667 Protected - 4+6 - -
01840 668 Protected - 4+6 - -
01840 669 Protected - 4+6 - -
01840 670 Protected - 4+6 - -
01840 671 Protected - 4+6 - -
01840 672 Protected - 4+6 - -
01840 673 Protected - 4+6 - -
01840 674 Protected - 4+6 - -
01840 675 Protected - 4+6 - -
01840 676 Protected - 4+6 - -
01840 677 Protected - 4+6 - -
01840 678 Protected - 4+6 - -
01840 679 Protected - 4+6 - -
01840 680 Protected - 4+6 - -
01840 681 Protected - 4+6 - -
01840 682 Protected - 4+6 - -
01840 683 Protected - 4+6 - -
01840 684 Protected - 4+6 - -
01840 685 Protected - 4+6 - -
01840 686 Protected - 4+6 - -
01840 687 Protected - 4+6 - -
01840 688 Protected - 4+6 - -
01840 689 Protected - 4+6 - -
01840 690 Protected - 4+6 - -
01840 691 Protected - 4+6 - -
01840 692 Protected - 4+6 - -
01840 693 Protected - 4+6 - -
01840 694 Protected - 4+6 - -
01840 695 Protected - 4+6 - -
01840 696 Protected - 4+6 - -
01840 697 Protected - 4+6 - -
01840 698 Protected - 4+6 - -
01840 699 Protected - 4+6 - -
01840 700 Allocated Gamma Telecom Holdings Ltd 4+6 - 28/04/2005
01840 701 Allocated Gamma Telecom Holdings Ltd 4+6 - 28/04/2005
01840 702 Protected - 4+6 - -
01840 703 Protected - 4+6 - -
01840 704 Protected - 4+6 - -
01840 705 Allocated Gamma Telecom Holdings Ltd 4+6 - 28/04/2005
01840 706 Allocated Gamma Telecom Holdings Ltd 4+6 - 28/04/2005
01840 707 Allocated Gamma Telecom Holdings Ltd 4+6 - 28/04/2005
01840 708 Allocated Gamma Telecom Holdings Ltd 4+6 - 28/04/2005
01840 709 Allocated Gamma Telecom Holdings Ltd 4+6 - 28/04/2005
01840 71 Allocated Edge Telecom Limited 4+6 - 29/04/2005
01840 72 Allocated Frontier Systems Ltd 4+6 F-Digit '3' 27/09/2007
01840 730 Allocated Linear Telecoms Limited 4+6 - 18/10/2010
01840 731 Protected - 4+6 - -
01840 732 Protected - 4+6 - -
01840 733 Protected - 4+6 - -
01840 734 Protected - 4+6 - -
01840 735 Protected - 4+6 - -
01840 736 Protected - 4+6 - -
01840 737 Protected - 4+6 - -
01840 738 Protected - 4+6 - -
01840 739 Protected - 4+6 - -
01840 74 Allocated FleXtel Limited 4+6 - 26/10/2005
01840 75 Allocated Syntec Limited 4+6 - 20/12/2005
01840 760 Protected - 4+6 - -
01840 761 Protected - 4+6 - -
01840 762 Protected - 4+6 - -
01840 763 Protected - 4+6 - -
01840 764 Allocated Six Degrees Unified Comms Limited 4+6 - 08/01/2013
01840 765 Protected - 4+6 - -
01840 766 Protected - 4+6 - -
01840 767 Protected - 4+6 - -
01840 768 Protected - 4+6 - -
01840 769 Protected - 4+6 - -
01840 77 Allocated BT 4+6 - 15/07/1994
01840 78 Allocated Net Solutions Europe Limited 4+6 F-Digit '8' 19/01/2006
01840 790 Protected - 4+6 - -
01840 791 Protected - 4+6 - -
01840 792 Protected - 4+6 - -
01840 793 Protected - 4+6 - -
01840 794 Protected - 4+6 - -
01840 795 Protected - 4+6 - -
01840 796 Protected - 4+6 - -
01840 797 Protected - 4+6 - -
01840 798 Protected - 4+6 - -
01840 799 Protected - 4+6 - -
01840 800 Protected - 4+6 - -
01840 801 Protected - 4+6 - -
01840 802 Protected - 4+6 - -
01840 803 Protected - 4+6 - -
01840 804 Protected - 4+6 - -
01840 805 Protected - 4+6 - -
01840 806 Protected - 4+6 - -
01840 807 Protected - 4+6 - -
01840 808 Protected - 4+6 - -
01840 809 Protected - 4+6 - -
01840 810 Protected - 4+6 - -
01840 811 Protected - 4+6 - -
01840 812 Protected - 4+6 - -
01840 813 Protected - 4+6 - -
01840 814 Protected - 4+6 - -
01840 815 Protected - 4+6 - -
01840 816 Protected - 4+6 - -
01840 817 Protected - 4+6 - -
01840 818 Protected - 4+6 - -
01840 819 Protected - 4+6 - -
01840 820 Protected - 4+6 - -
01840 821 Protected - 4+6 - -
01840 822 Protected - 4+6 - -
01840 823 Protected - 4+6 - -
01840 824 Protected - 4+6 - -
01840 825 Protected - 4+6 - -
01840 826 Protected - 4+6 - -
01840 827 Protected - 4+6 - -
01840 828 Protected - 4+6 - -
01840 829 Protected - 4+6 - -
01840 830 Protected - 4+6 - -
01840 831 Protected - 4+6 - -
01840 832 Protected - 4+6 - -
01840 833 Protected - 4+6 - -
01840 834 Protected - 4+6 - -
01840 835 Protected - 4+6 - -
01840 836 Protected - 4+6 - -
01840 837 Protected - 4+6 - -
01840 838 Protected - 4+6 - -
01840 839 Protected - 4+6 - -
01840 840 Protected - 4+6 - -
01840 841 Protected - 4+6 - -
01840 842 Protected - 4+6 - -
01840 843 Protected - 4+6 - -
01840 844 Protected - 4+6 - -
01840 845 Protected - 4+6 - -
01840 846 Protected - 4+6 - -
01840 847 Protected - 4+6 - -
01840 848 Protected - 4+6 - -
01840 849 Protected - 4+6 - -
01840 850 Protected - 4+6 - -
01840 851 Protected - 4+6 - -
01840 852 Protected - 4+6 - -
01840 853 Protected - 4+6 - -
01840 854 Protected - 4+6 - -
01840 855 Protected - 4+6 - -
01840 856 Protected - 4+6 - -
01840 857 Protected - 4+6 - -
01840 858 Protected - 4+6 - -
01840 859 Protected - 4+6 - -
01840 860 Protected - 4+6 - -
01840 861 Protected - 4+6 - -
01840 862 Protected - 4+6 - -
01840 863 Protected - 4+6 - -
01840 864 Protected - 4+6 - -
01840 865 Protected - 4+6 - -
01840 866 Protected - 4+6 - -
01840 867 Protected - 4+6 - -
01840 868 Protected - 4+6 - -
01840 869 Protected - 4+6 - -
01840 870 Protected - 4+6 - -
01840 871 Protected - 4+6 - -
01840 872 Protected - 4+6 - -
01840 873 Protected - 4+6 - -
01840 874 Protected - 4+6 - -
01840 875 Protected - 4+6 - -
01840 876 Protected - 4+6 - -
01840 877 Protected - 4+6 - -
01840 878 Protected - 4+6 - -
01840 879 Protected - 4+6 - -
01840 880 Protected - 4+6 - -
01840 881 Protected - 4+6 - -
01840 882 Protected - 4+6 - -
01840 883 Protected - 4+6 - -
01840 884 Protected - 4+6 - -
01840 885 Protected - 4+6 - -
01840 886 Protected - 4+6 - -
01840 887 Protected - 4+6 - -
01840 888 Protected - 4+6 - -
01840 889 Protected - 4+6 - -
01840 890 Protected - 4+6 - -
01840 891 Protected - 4+6 - -
01840 892 Protected - 4+6 - -
01840 893 Protected - 4+6 - -
01840 894 Protected - 4+6 - -
01840 895 Protected - 4+6 - -
01840 896 Protected - 4+6 - -
01840 897 Protected - 4+6 - -
01840 898 Protected - 4+6 - -
01840 899 Protected - 4+6 - -
01840 90 Allocated (aq) Limited trading as aql 4+6 - 03/10/2007
01840 910 Allocated Inclarity Communications Ltd 4+6 - 15/02/2006
01840 911 Allocated Inclarity Communications Ltd 4+6 - 15/02/2006
01840 912 Allocated Inclarity Communications Ltd 4+6 - 15/02/2006
01840 913 Protected - 4+6 - -
01840 914 Protected - 4+6 - -
01840 915 Allocated Inclarity Communications Ltd 4+6 - 15/02/2006
01840 916 Protected - 4+6 - -
01840 917 Protected - 4+6 - -
01840 918 Protected - 4+6 - -
01840 919 Protected - 4+6 - -
01840 920 Allocated Digitech Solutions Global Limited 4+6 - 09/09/2010
01840 921 Protected - 4+6 - -
01840 922 Protected - 4+6 - -
01840 923 Protected - 4+6 - -
01840 924 Protected - 4+6 - -
01840 925 Protected - 4+6 - -
01840 926 Protected - 4+6 - -
01840 927 Protected - 4+6 - -
01840 928 Protected - 4+6 - -
01840 929 Protected - 4+6 - -
01840 930 Protected - 4+6 - -
01840 931 Protected - 4+6 - -
01840 932 Protected - 4+6 - -
01840 933 Protected - 4+6 - -
01840 934 Protected - 4+6 - -
01840 935 Protected - 4+6 - -
01840 936 Protected - 4+6 - -
01840 937 Protected - 4+6 - -
01840 938 Allocated TalkTalk Communications Limited 4+6 - 20/01/2012
01840 939 Allocated TalkTalk Communications Limited 4+6 - 20/01/2012
01840 940 Protected - 4+6 - -
01840 941 Protected - 4+6 - -
01840 942 Protected - 4+6 - -
01840 943 Protected - 4+6 - -
01840 944 Protected - 4+6 - -
01840 945 Protected - 4+6 - -
01840 946 Protected - 4+6 - -
01840 947 Protected - 4+6 - -
01840 948 Protected - 4+6 - -
01840 949 Protected - 4+6 - -
01840 95 Allocated Teledesign Ltd 4+6 F-Digit '2' 08/10/2007
01840 96 Allocated Barritel Limited 4+6 F-Digit '2' 02/10/2006
01840 970 Protected - 4+6 - -
01840 971 Protected - 4+6 - -
01840 972 Protected - 4+6 - -
01840 973 Protected - 4+6 - -
01840 974 Protected - 4+6 - -
01840 975 Protected - 4+6 - -
01840 976 Protected - 4+6 - -
01840 977 Allocated Spitfire Network Services Ltd 4+6 - 11/11/2011
01840 978 Protected - 4+6 - -
01840 979 Protected - 4+6 - -
01840 98 Allocated Nationwide Telephone Assistance Ltd 4+6 F-Digit '0' 01/10/2007
01840 99 Protected - N/A - -