Code allocations for the 01644 STD code

Summary

  • Status
    • Allocated: 93
    • Free: 3
    • Free for National Dialling Only: 20
    • Protected: 335
  • Operators : 78
  • Latest change : May 2005
Click here for Status definitions
Have you received a call from a number beginning 01644? Get information on a full number beginning 01644, using our full UK number search.
Find out about the location and calling costs for 01644 numbers on our 01644 code page.

This page contains information about which telephone companies the various 01644 numbers are allocated to.

First Digits Status Communications Provider Number Length Notes Change
01644 00 Free for National Dialling Only - (0)+10 - -
01644 01 Free for National Dialling Only - (0)+10 - -
01644 02 Free for National Dialling Only - (0)+10 - -
01644 03 Free for National Dialling Only - (0)+10 - -
01644 04 Free for National Dialling Only - (0)+10 - -
01644 05 Free for National Dialling Only - (0)+10 - -
01644 06 Free for National Dialling Only - (0)+10 - -
01644 07 Free for National Dialling Only - (0)+10 - -
01644 08 Free for National Dialling Only - (0)+10 - -
01644 09 Free for National Dialling Only - (0)+10 - -
01644 10 Free for National Dialling Only - (0)+10 - -
01644 11 Free for National Dialling Only - (0)+10 - -
01644 12 Free for National Dialling Only - (0)+10 - -
01644 13 Free for National Dialling Only - (0)+10 - -
01644 14 Free for National Dialling Only - (0)+10 - -
01644 15 Free for National Dialling Only - (0)+10 - -
01644 16 Free for National Dialling Only - (0)+10 - -
01644 17 Free for National Dialling Only - (0)+10 - -
01644 18 Free for National Dialling Only - (0)+10 - -
01644 19 Free for National Dialling Only - (0)+10 - -
01644 20 Allocated TTNC Limited 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9' 21/09/2006
01644 210 Protected - 4+6 - -
01644 211 Protected - 4+6 - -
01644 212 Protected - 4+6 - -
01644 213 Protected - 4+6 - -
01644 214 Protected - 4+6 - -
01644 215 Protected - 4+6 - -
01644 216 Protected - 4+6 - -
01644 217 Protected - 4+6 - -
01644 218 Protected - 4+6 - -
01644 219 Protected - 4+6 - -
01644 22 Allocated TelNG Limited 4+6 F-Digit '2' 28/02/2007
01644 230 Protected - 4+6 - -
01644 231 Protected - 4+6 - -
01644 232 Protected - 4+6 - -
01644 233 Protected - 4+6 - -
01644 234 Protected - 4+6 - -
01644 235 Protected - 4+6 - -
01644 236 Protected - 4+6 - -
01644 237 Protected - 4+6 - -
01644 238 Allocated TalkTalk Communications Limited 4+6 - 28/09/2007
01644 239 Allocated TalkTalk Communications Limited 4+6 - 28/09/2007
01644 24 Allocated Localphone Limited 4+6 F-Digit '0' 10/05/2007
01644 25 Allocated Teledesign Ltd 4+6 F-Digit '2' 19/09/2007
01644 26 Allocated Barritel Limited 4+6 F-Digit '2' 22/06/2007
01644 27 Allocated (aq) Limited trading as aql 4+6 - 03/10/2007
01644 28 Allocated VoIP-Un Limited 4+6 F-Digit '0' 01/11/2007
01644 29 Allocated InTechnology Plc 4+6 F-Digit '2' 06/11/2007
01644 30 Allocated Telephony Services Limited 4+6 F-Digit '2' 21/12/2007
01644 31 Allocated Telecom2 Ltd 4+6 F-Digit '6' 10/09/2009
01644 32 Allocated Timico Limited 4+6 F-Digit '8' 16/05/2008
01644 33 Allocated Net-Work Internet Ltd 4+6 F-Digit '3' 28/05/2008
01644 34 Allocated Nodemax Limited 4+6 F-Digit '0' 09/07/2008
01644 35 Allocated Frontier Systems Ltd 4+6 F-Digit '3' 17/07/2008
01644 36 Allocated Starcomm Ltd 4+6 F-Digit '0' 22/09/2008
01644 370 Allocated Voxbone SA 4+6 - 09/12/2011
01644 371 Protected - 4+6 - -
01644 372 Protected - 4+6 - -
01644 373 Protected - 4+6 - -
01644 374 Protected - 4+6 - -
01644 375 Protected - 4+6 - -
01644 376 Protected - 4+6 - -
01644 377 Protected - 4+6 - -
01644 378 Protected - 4+6 - -
01644 379 Protected - 4+6 - -
01644 38 Allocated 3C Limited 4+6 F-Digit '2' 01/10/2008
01644 39 Allocated Served Up Limited. 4+6 F-Digit '8' 23/10/2008
01644 40 Allocated Magrathea Telecommunications Limited 4+6 - 24/09/2004
01644 410 Allocated Linear Telecoms Limited 4+6 - 14/10/2010
01644 411 Free - 4+6 - -
01644 412 Allocated Barritec Limited 4+6 - 28/09/2011
01644 413 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 17/10/2011
01644 414 Protected - 4+6 - -
01644 415 Allocated Internexus Networks Limited 4+6 - 22/11/2011
01644 416 Allocated Simwood eSMS Limited 4+6 - 27/04/2012
01644 417 Allocated IOVOX Limited 4+6 - 03/07/2012
01644 418 Allocated Ziron (UK) Ltd 4+6 - 30/07/2012
01644 419 Allocated ICC Networks Ltd 4+6 - 16/04/2012
01644 42 Allocated BT 4+6 - 15/07/1994
01644 43 Allocated BT 4+6 - 26/07/1995
01644 44 Allocated BT 4+6 - 15/07/1994
01644 45 Allocated BT 4+6 - 15/07/1994
01644 46 Allocated BT 4+6 - 15/07/1994
01644 47 Allocated BT 4+6 - 15/07/1994
01644 480 Protected - 4+6 - -
01644 481 Protected - 4+6 - -
01644 482 Protected - 4+6 - -
01644 483 Protected - 4+6 - -
01644 484 Protected - 4+6 - -
01644 485 Protected - 4+6 - -
01644 486 Protected - 4+6 - -
01644 487 Protected - 4+6 - -
01644 488 Protected - 4+6 - -
01644 489 Protected - 4+6 - -
01644 49 Allocated Colloquium Ltd 4+6 F-Digit '1' 17/08/2006
01644 50 Allocated Solutios Limited 4+6 F-Digit '2' 18/11/2008
01644 510 Protected - 4+6 - -
01644 511 Protected - 4+6 - -
01644 512 Protected - 4+6 - -
01644 513 Protected - 4+6 - -
01644 514 Protected - 4+6 - -
01644 515 Protected - 4+6 - -
01644 516 Protected - 4+6 - -
01644 517 Allocated Premium O Limited 4+6 - 09/01/2009
01644 518 Protected - 4+6 - -
01644 519 Protected - 4+6 - -
01644 52 Allocated Mars Communications Limited 4+6 F-Digit '0' 05/02/2009
01644 53 Allocated IPV6 Limited 4+6 F-Digit '0' 06/02/2009
01644 54 Allocated Telecoms World Direct Ltd 4+6 F-Digit '0' 28/04/2009
01644 55 Allocated Andrews & Arnold (Numbers) Ltd 4+6 F-Digit '0' 27/03/2009
01644 56 Allocated Nexus Telecommunications Limited 4+6 F-Digit '0' 11/06/2009
01644 57 Allocated Mundio Mobile Limited 4+6 F-Digit '6' 01/07/2009
01644 58 Allocated CFL Communications Limited 4+6 F-Digit '0' 14/07/2009
01644 59 Allocated Known Communications Limited 4+6 F-Digit '0' 18/09/2009
01644 60 Allocated Danemere Street Creative 4+6 F-Digit '2' 22/07/2009
01644 610 Allocated Digitech Solutions Global Limited 4+6 - 27/04/2010
01644 611 Free - 4+6 - -
01644 612 Allocated Atomstream Limited 4+6 - 11/05/2010
01644 613 Allocated TG Support Limited 4+6 - 13/08/2010
01644 614 Allocated Windsor Telecom Plc 4+6 - 22/07/2010
01644 615 Allocated VoiceHost Limited 4+6 - 05/10/2010
01644 616 Allocated Suretec Systems Ltd 4+6 - 07/05/2010
01644 617 Allocated Telephone Box Limited 4+6 - 15/12/2010
01644 618 Allocated Affiniti Integrated Solutions Ltd 4+6 - 02/12/2010
01644 619 Allocated Cheers International Sales Limited 4+6 - 15/12/2010
01644 620 Allocated Phone Co-Op Numbering Limited 4+6 - 23/12/2010
01644 621 Allocated Invosys Limited 4+6 - 20/01/2011
01644 622 Allocated IP Base Ltd 4+6 - 04/02/2011
01644 623 Allocated Nexbridge Communications Limited 4+6 - 17/03/2011
01644 624 Allocated Globecom International Limited 4+6 - 04/01/2011
01644 625 Allocated Orbtalk Limited 4+6 - 07/02/2012
01644 626 Allocated Broadcast Telecom Ltd 4+6 - 29/02/2012
01644 627 Allocated Invoco Ltd 4+6 - 29/02/2012
01644 628 Allocated Bicom Systems EURL 4+6 - 01/03/2012
01644 629 Allocated API Telecom Limited 4+6 - 05/04/2012
01644 630 Allocated Minotaur Telecom Limited 4+6 - 05/02/2013
01644 631 Allocated Hello Telecom (UK) PLC 4+6 - 20/07/2012
01644 632 Allocated Kalnet4u Ltd 4+6 - 24/05/2013
01644 633 Allocated We Love Communications Limited 4+6 - 13/08/2012
01644 634 Allocated i-Net Communications Group Plc 4+6 - 03/07/2013
01644 635 Allocated Radius Communications Limited 4+6 - 09/01/2014
01644 636 Allocated Content Guru Ltd 4+6 - 12/10/2012
01644 637 Allocated iHub UK Ltd 4+6 - 18/06/2014
01644 638 Free - 4+6 - -
01644 639 Allocated XoverX Ltd 4+6 - 30/04/2013
01644 640 Protected - 4+6 - -
01644 641 Protected - 4+6 - -
01644 642 Protected - 4+6 - -
01644 643 Protected - 4+6 - -
01644 644 Protected - 4+6 - -
01644 645 Protected - 4+6 - -
01644 646 Protected - 4+6 - -
01644 647 Protected - 4+6 - -
01644 648 Protected - 4+6 - -
01644 649 Protected - 4+6 - -
01644 650 Protected - 4+6 - -
01644 651 Protected - 4+6 - -
01644 652 Protected - 4+6 - -
01644 653 Protected - 4+6 - -
01644 654 Protected - 4+6 - -
01644 655 Protected - 4+6 - -
01644 656 Protected - 4+6 - -
01644 657 Protected - 4+6 - -
01644 658 Protected - 4+6 - -
01644 659 Protected - 4+6 - -
01644 660 Protected - 4+6 - -
01644 661 Protected - 4+6 - -
01644 662 Protected - 4+6 - -
01644 663 Protected - 4+6 - -
01644 664 Protected - 4+6 - -
01644 665 Protected - 4+6 - -
01644 666 Protected - 4+6 - -
01644 667 Protected - 4+6 - -
01644 668 Protected - 4+6 - -
01644 669 Protected - 4+6 - -
01644 670 Protected - 4+6 - -
01644 671 Protected - 4+6 - -
01644 672 Protected - 4+6 - -
01644 673 Protected - 4+6 - -
01644 674 Protected - 4+6 - -
01644 675 Protected - 4+6 - -
01644 676 Protected - 4+6 - -
01644 677 Protected - 4+6 - -
01644 678 Protected - 4+6 - -
01644 679 Protected - 4+6 - -
01644 680 Protected - 4+6 - -
01644 681 Protected - 4+6 - -
01644 682 Protected - 4+6 - -
01644 683 Protected - 4+6 - -
01644 684 Protected - 4+6 - -
01644 685 Protected - 4+6 - -
01644 686 Protected - 4+6 - -
01644 687 Protected - 4+6 - -
01644 688 Protected - 4+6 - -
01644 689 Protected - 4+6 - -
01644 690 Protected - 4+6 - -
01644 691 Protected - 4+6 - -
01644 692 Protected - 4+6 - -
01644 693 Protected - 4+6 - -
01644 694 Protected - 4+6 - -
01644 695 Protected - 4+6 - -
01644 696 Protected - 4+6 - -
01644 697 Protected - 4+6 - -
01644 698 Protected - 4+6 - -
01644 699 Protected - 4+6 - -
01644 70 Allocated Vodafone Ltd (Energis) 4+6 - 26/05/2006
01644 710 Allocated Gamma Telecom Holdings Ltd 4+6 - 31/05/2005
01644 711 Allocated Gamma Telecom Holdings Ltd 4+6 - 31/05/2005
01644 712 Allocated Gamma Telecom Holdings Ltd 4+6 - 31/05/2005
01644 713 Allocated Gamma Telecom Holdings Ltd 4+6 - 31/05/2005
01644 714 Allocated Gamma Telecom Holdings Ltd 4+6 - 31/05/2005
01644 715 Allocated Gamma Telecom Holdings Ltd 4+6 - 31/05/2005
01644 716 Allocated Gamma Telecom Holdings Ltd 4+6 - 31/05/2005
01644 717 Allocated Gamma Telecom Holdings Ltd 4+6 - 31/05/2005
01644 718 Protected - 4+6 - -
01644 719 Protected - 4+6 - -
01644 720 Protected - 4+6 - -
01644 721 Protected - 4+6 - -
01644 722 Protected - 4+6 - -
01644 723 Protected - 4+6 - -
01644 724 Protected - 4+6 - -
01644 725 Protected - 4+6 - -
01644 726 Protected - 4+6 - -
01644 727 Protected - 4+6 - -
01644 728 Protected - 4+6 - -
01644 729 Protected - 4+6 - -
01644 73 Allocated Net Solutions Europe Limited 4+6 - 21/02/2006
01644 74 Allocated Edge Telecom Limited 4+6 - 08/04/2005
01644 75 Allocated Syntec Limited 4+6 - 20/12/2005
01644 760 Protected - 4+6 - -
01644 761 Protected - 4+6 - -
01644 762 Protected - 4+6 - -
01644 763 Protected - 4+6 - -
01644 764 Protected - 4+6 - -
01644 765 Protected - 4+6 - -
01644 766 Protected - 4+6 - -
01644 767 Protected - 4+6 - -
01644 768 Protected - 4+6 - -
01644 769 Protected - 4+6 - -
01644 77 Allocated FleXtel Limited 4+6 - 21/10/2005
01644 780 Allocated Inclarity Communications Ltd 4+6 - 19/09/2006
01644 781 Allocated Inclarity Communications Ltd 4+6 - 19/09/2006
01644 782 Allocated Inclarity Communications Ltd 4+6 - 19/09/2006
01644 783 Protected - 4+6 - -
01644 784 Protected - 4+6 - -
01644 785 Allocated Inclarity Communications Ltd 4+6 - 19/09/2006
01644 786 Protected - 4+6 - -
01644 787 Protected - 4+6 - -
01644 788 Protected - 4+6 - -
01644 789 Protected - 4+6 - -
01644 790 Protected - 4+6 - -
01644 791 Protected - 4+6 - -
01644 792 Protected - 4+6 - -
01644 793 Protected - 4+6 - -
01644 794 Protected - 4+6 - -
01644 795 Protected - 4+6 - -
01644 796 Protected - 4+6 - -
01644 797 Allocated Spitfire Network Services Ltd 4+6 - 11/11/2011
01644 798 Protected - 4+6 - -
01644 799 Protected - 4+6 - -
01644 800 Protected - 4+6 - -
01644 801 Protected - 4+6 - -
01644 802 Protected - 4+6 - -
01644 803 Protected - 4+6 - -
01644 804 Protected - 4+6 - -
01644 805 Protected - 4+6 - -
01644 806 Protected - 4+6 - -
01644 807 Protected - 4+6 - -
01644 808 Protected - 4+6 - -
01644 809 Protected - 4+6 - -
01644 810 Protected - 4+6 - -
01644 811 Protected - 4+6 - -
01644 812 Protected - 4+6 - -
01644 813 Protected - 4+6 - -
01644 814 Protected - 4+6 - -
01644 815 Protected - 4+6 - -
01644 816 Protected - 4+6 - -
01644 817 Protected - 4+6 - -
01644 818 Protected - 4+6 - -
01644 819 Protected - 4+6 - -
01644 820 Protected - 4+6 - -
01644 821 Protected - 4+6 - -
01644 822 Protected - 4+6 - -
01644 823 Protected - 4+6 - -
01644 824 Protected - 4+6 - -
01644 825 Protected - 4+6 - -
01644 826 Protected - 4+6 - -
01644 827 Protected - 4+6 - -
01644 828 Protected - 4+6 - -
01644 829 Protected - 4+6 - -
01644 830 Protected - 4+6 - -
01644 831 Protected - 4+6 - -
01644 832 Protected - 4+6 - -
01644 833 Protected - 4+6 - -
01644 834 Protected - 4+6 - -
01644 835 Protected - 4+6 - -
01644 836 Protected - 4+6 - -
01644 837 Protected - 4+6 - -
01644 838 Protected - 4+6 - -
01644 839 Protected - 4+6 - -
01644 840 Protected - 4+6 - -
01644 841 Protected - 4+6 - -
01644 842 Protected - 4+6 - -
01644 843 Protected - 4+6 - -
01644 844 Protected - 4+6 - -
01644 845 Protected - 4+6 - -
01644 846 Protected - 4+6 - -
01644 847 Protected - 4+6 - -
01644 848 Protected - 4+6 - -
01644 849 Protected - 4+6 - -
01644 850 Protected - 4+6 - -
01644 851 Protected - 4+6 - -
01644 852 Protected - 4+6 - -
01644 853 Protected - 4+6 - -
01644 854 Protected - 4+6 - -
01644 855 Protected - 4+6 - -
01644 856 Protected - 4+6 - -
01644 857 Protected - 4+6 - -
01644 858 Protected - 4+6 - -
01644 859 Protected - 4+6 - -
01644 860 Protected - 4+6 - -
01644 861 Protected - 4+6 - -
01644 862 Protected - 4+6 - -
01644 863 Protected - 4+6 - -
01644 864 Protected - 4+6 - -
01644 865 Protected - 4+6 - -
01644 866 Protected - 4+6 - -
01644 867 Protected - 4+6 - -
01644 868 Protected - 4+6 - -
01644 869 Protected - 4+6 - -
01644 870 Protected - 4+6 - -
01644 871 Protected - 4+6 - -
01644 872 Protected - 4+6 - -
01644 873 Protected - 4+6 - -
01644 874 Protected - 4+6 - -
01644 875 Protected - 4+6 - -
01644 876 Protected - 4+6 - -
01644 877 Protected - 4+6 - -
01644 878 Protected - 4+6 - -
01644 879 Protected - 4+6 - -
01644 880 Protected - 4+6 - -
01644 881 Protected - 4+6 - -
01644 882 Protected - 4+6 - -
01644 883 Protected - 4+6 - -
01644 884 Protected - 4+6 - -
01644 885 Protected - 4+6 - -
01644 886 Protected - 4+6 - -
01644 887 Protected - 4+6 - -
01644 888 Protected - 4+6 - -
01644 889 Protected - 4+6 - -
01644 890 Protected - 4+6 - -
01644 891 Protected - 4+6 - -
01644 892 Protected - 4+6 - -
01644 893 Protected - 4+6 - -
01644 894 Protected - 4+6 - -
01644 895 Protected - 4+6 - -
01644 896 Protected - 4+6 - -
01644 897 Protected - 4+6 - -
01644 898 Protected - 4+6 - -
01644 899 Protected - 4+6 - -
01644 900 Protected - 4+6 - -
01644 901 Protected - 4+6 - -
01644 902 Protected - 4+6 - -
01644 903 Protected - 4+6 - -
01644 904 Protected - 4+6 - -
01644 905 Protected - 4+6 - -
01644 906 Protected - 4+6 - -
01644 907 Protected - 4+6 - -
01644 908 Protected - 4+6 - -
01644 909 Protected - 4+6 - -
01644 910 Protected - 4+6 - -
01644 911 Protected - 4+6 - -
01644 912 Protected - 4+6 - -
01644 913 Protected - 4+6 - -
01644 914 Protected - 4+6 - -
01644 915 Protected - 4+6 - -
01644 916 Protected - 4+6 - -
01644 917 Protected - 4+6 - -
01644 918 Protected - 4+6 - -
01644 919 Protected - 4+6 - -
01644 920 Protected - 4+6 - -
01644 921 Protected - 4+6 - -
01644 922 Protected - 4+6 - -
01644 923 Protected - 4+6 - -
01644 924 Protected - 4+6 - -
01644 925 Protected - 4+6 - -
01644 926 Protected - 4+6 - -
01644 927 Protected - 4+6 - -
01644 928 Protected - 4+6 - -
01644 929 Protected - 4+6 - -
01644 930 Protected - 4+6 - -
01644 931 Protected - 4+6 - -
01644 932 Protected - 4+6 - -
01644 933 Protected - 4+6 - -
01644 934 Protected - 4+6 - -
01644 935 Protected - 4+6 - -
01644 936 Protected - 4+6 - -
01644 937 Protected - 4+6 - -
01644 938 Protected - 4+6 - -
01644 939 Protected - 4+6 - -
01644 940 Protected - 4+6 - -
01644 941 Protected - 4+6 - -
01644 942 Protected - 4+6 - -
01644 943 Protected - 4+6 - -
01644 944 Protected - 4+6 - -
01644 945 Protected - 4+6 - -
01644 946 Protected - 4+6 - -
01644 947 Protected - 4+6 - -
01644 948 Protected - 4+6 - -
01644 949 Protected - 4+6 - -
01644 950 Protected - 4+6 - -
01644 951 Protected - 4+6 - -
01644 952 Protected - 4+6 - -
01644 953 Protected - 4+6 - -
01644 954 Protected - 4+6 - -
01644 955 Protected - 4+6 - -
01644 956 Protected - 4+6 - -
01644 957 Protected - 4+6 - -
01644 958 Protected - 4+6 - -
01644 959 Protected - 4+6 - -
01644 960 Protected - 4+6 - -
01644 961 Protected - 4+6 - -
01644 962 Protected - 4+6 - -
01644 963 Protected - 4+6 - -
01644 964 Protected - 4+6 - -
01644 965 Protected - 4+6 - -
01644 966 Protected - 4+6 - -
01644 967 Protected - 4+6 - -
01644 968 Protected - 4+6 - -
01644 969 Protected - 4+6 - -
01644 970 Protected - 4+6 - -
01644 971 Protected - 4+6 - -
01644 972 Protected - 4+6 - -
01644 973 Protected - 4+6 - -
01644 974 Protected - 4+6 - -
01644 975 Protected - 4+6 - -
01644 976 Protected - 4+6 - -
01644 977 Protected - 4+6 - -
01644 978 Protected - 4+6 - -
01644 979 Protected - 4+6 - -
01644 980 Protected - 4+6 - -
01644 981 Protected - 4+6 - -
01644 982 Protected - 4+6 - -
01644 983 Protected - 4+6 - -
01644 984 Protected - 4+6 - -
01644 985 Protected - 4+6 - -
01644 986 Protected - 4+6 - -
01644 987 Protected - 4+6 - -
01644 988 Protected - 4+6 - -
01644 989 Protected - 4+6 - -
01644 99 Protected - N/A - -