This page contains information about which telephone companies the various 01392 numbers are allocated to.
| First Digits | Status | Communications Provider | Number Length | Notes | Change |
|---|---|---|---|---|---|
| 01392 00 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 01 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 02 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 03 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 04 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 05 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 06 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 07 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 08 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 09 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 10 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 110 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 111 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 112 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 113 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 114 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 115 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 116 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 117 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 118 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 119 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 12 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 13 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 14 | Allocated | Eurobell (Holdings) Limited | (0)+10 | - | 24/07/2008 |
| 01392 15 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 16 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 17 | Free for National Dialling Only | - | (0)+10 | - | - |
| 01392 18 | Allocated | BT | (0)+10 | - | 19/05/2003 |
| 01392 19 | Allocated | BT | (0)+10 | - | 02/06/1997 |
| 01392 20 | Allocated | Eurobell (Holdings) Limited | 4+6 | - | 02/09/1994 |
| 01392 21 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 22 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 230 | Allocated | Inclarity Communications Ltd | 4+6 | - | 27/01/2003 |
| 01392 231 | Allocated | Inclarity Communications Ltd | 4+6 | - | 27/01/2003 |
| 01392 232 | Allocated | Inclarity Communications Ltd | 4+6 | - | 27/01/2003 |
| 01392 233 | Protected | - | 4+6 | - | - |
| 01392 234 | Protected | - | 4+6 | - | - |
| 01392 235 | Allocated | Inclarity Communications Ltd | 4+6 | - | 27/01/2003 |
| 01392 236 | Protected | - | 4+6 | - | - |
| 01392 237 | Protected | - | 4+6 | - | - |
| 01392 238 | Protected | - | 4+6 | - | - |
| 01392 239 | Protected | - | 4+6 | - | - |
| 01392 240 | Allocated | Magrathea Telecommunications Limited | 4+6 | - | 28/01/2010 |
| 01392 241 | Allocated | Magrathea Telecommunications Limited | 4+6 | - | 28/01/2010 |
| 01392 242 | Allocated | Plus Telecom Limited | 4+6 | - | 24/09/2010 |
| 01392 243 | Allocated | Numbergroup Network Ltd | 4+6 | - | 04/11/2010 |
| 01392 244 | Allocated | Invoco Ltd | 4+6 | F-Digit '0' | 14/07/2011 |
| 01392 245 | Allocated | Numbers Plus Ltd | 4+6 | - | 28/07/2011 |
| 01392 246 | Allocated | Internexus Networks Limited | 4+6 | - | 21/11/2011 |
| 01392 247 | Allocated | Magrathea Telecommunications Limited | 4+6 | - | 28/01/2010 |
| 01392 248 | Allocated | Magrathea Telecommunications Limited | 4+6 | - | 28/01/2010 |
| 01392 249 | Allocated | Magrathea Telecommunications Limited | 4+6 | - | 28/01/2010 |
| 01392 25 | Allocated | BT | 4+6 | - | 07/02/1997 |
| 01392 26 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 27 | Allocated | BT | 4+6 | - | 04/06/1996 |
| 01392 28 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 29 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 300 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 22/06/2010 |
| 01392 301 | Protected | - | 4+6 | - | - |
| 01392 302 | Protected | - | 4+6 | - | - |
| 01392 303 | Protected | - | 4+6 | - | - |
| 01392 304 | Protected | - | 4+6 | - | - |
| 01392 305 | Protected | - | 4+6 | - | - |
| 01392 306 | Protected | - | 4+6 | - | - |
| 01392 307 | Protected | - | 4+6 | - | - |
| 01392 308 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 22/06/2010 |
| 01392 309 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 22/06/2010 |
| 01392 31 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 11/02/2010 |
| 01392 320 | Protected | - | 4+6 | - | - |
| 01392 321 | Protected | - | 4+6 | - | - |
| 01392 322 | Protected | - | 4+6 | - | - |
| 01392 323 | Protected | - | 4+6 | - | - |
| 01392 324 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 15/04/2010 |
| 01392 325 | Protected | - | 4+6 | - | - |
| 01392 326 | Protected | - | 4+6 | - | - |
| 01392 327 | Protected | - | 4+6 | - | - |
| 01392 328 | Protected | - | 4+6 | - | - |
| 01392 329 | Allocated | Vodafone Ltd (Thus) | 4+6 | - | 15/04/2010 |
| 01392 33 | Allocated | Affiniti Integrated Solutions Ltd | 4+6 | - | 30/06/1998 |
| 01392 34 | Allocated | Gamma Telecom Holdings Ltd | 4+6 | - | 05/04/2004 |
| 01392 35 | Allocated | BT | 4+6 | - | 22/03/1999 |
| 01392 36 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 370 | Allocated | Level 3 Communications UK Limited | 4+6 | - | 16/03/2010 |
| 01392 371 | Protected | - | 4+6 | - | - |
| 01392 372 | Protected | - | 4+6 | - | - |
| 01392 373 | Protected | - | 4+6 | - | - |
| 01392 374 | Allocated | Level 3 Communications UK Limited | 4+6 | - | 16/03/2010 |
| 01392 375 | Protected | - | 4+6 | - | - |
| 01392 376 | Protected | - | 4+6 | - | - |
| 01392 377 | Allocated | Level 3 Communications UK Limited | 4+6 | - | 16/03/2010 |
| 01392 378 | Protected | - | 4+6 | - | - |
| 01392 379 | Allocated | Level 3 Communications UK Limited | 4+6 | - | 16/03/2010 |
| 01392 38 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 39 | Allocated | Danemere Street Creative | 4+6 | - | 01/11/2004 |
| 01392 40 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 41 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 42 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 43 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 44 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 45 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 46 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 47 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 48 | Allocated | BT | 4+6 | - | 08/07/1997 |
| 01392 49 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 50 | Allocated | Verizon UK Ltd | 4+6 | - | 03/08/2005 |
| 01392 51 | Allocated | FleXtel Limited | 4+6 | - | 20/10/2005 |
| 01392 520 | Allocated | Six Degrees Unified Comms Limited | 4+6 | - | 21/07/2014 |
| 01392 521 | Allocated | Six Degrees Unified Comms Limited | 4+6 | - | 21/07/2014 |
| 01392 522 | Allocated | Six Degrees Unified Comms Limited | 4+6 | - | 21/07/2014 |
| 01392 523 | Allocated | Six Degrees Unified Comms Limited | 4+6 | - | 21/07/2014 |
| 01392 524 | Allocated | Six Degrees Unified Comms Limited | 4+6 | - | 30/07/2010 |
| 01392 525 | Protected | - | 4+6 | - | - |
| 01392 526 | Protected | - | 4+6 | - | - |
| 01392 527 | Protected | - | 4+6 | - | - |
| 01392 528 | Protected | - | 4+6 | - | - |
| 01392 529 | Protected | - | 4+6 | - | - |
| 01392 530 | Protected | - | 4+6 | - | - |
| 01392 531 | Protected | - | 4+6 | - | - |
| 01392 532 | Protected | - | 4+6 | - | - |
| 01392 533 | Protected | - | 4+6 | - | - |
| 01392 534 | Protected | - | 4+6 | - | - |
| 01392 535 | Protected | - | 4+6 | - | - |
| 01392 536 | Protected | - | 4+6 | - | - |
| 01392 537 | Protected | - | 4+6 | - | - |
| 01392 538 | Protected | - | 4+6 | - | - |
| 01392 539 | Protected | - | 4+6 | - | - |
| 01392 540 | Allocated | Hello Telecom (UK) PLC | 4+6 | - | 09/11/2011 |
| 01392 541 | Allocated | Outsourcery Hosting Ltd | 4+6 | - | 20/02/2012 |
| 01392 542 | Protected | - | 4+6 | - | - |
| 01392 543 | Protected | - | 4+6 | - | - |
| 01392 544 | Protected | - | 4+6 | - | - |
| 01392 545 | Protected | - | 4+6 | - | - |
| 01392 546 | Protected | - | 4+6 | - | - |
| 01392 547 | Protected | - | 4+6 | - | - |
| 01392 548 | Protected | - | 4+6 | - | - |
| 01392 549 | Protected | - | 4+6 | - | - |
| 01392 550 | Protected | - | 4+6 | - | - |
| 01392 551 | Protected | - | 4+6 | - | - |
| 01392 552 | Protected | - | 4+6 | - | - |
| 01392 553 | Protected | - | 4+6 | - | - |
| 01392 554 | Protected | - | 4+6 | - | - |
| 01392 555 | Allocated | Digital Mail Limited | 4+6 | - | 10/03/2010 |
| 01392 556 | Protected | - | 4+6 | - | - |
| 01392 557 | Protected | - | 4+6 | - | - |
| 01392 558 | Protected | - | 4+6 | - | - |
| 01392 559 | Protected | - | 4+6 | - | - |
| 01392 560 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01392 561 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01392 562 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01392 563 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01392 564 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01392 565 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01392 566 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 18/02/2010 |
| 01392 567 | Protected | - | 4+6 | - | - |
| 01392 568 | Protected | - | 4+6 | - | - |
| 01392 569 | Protected | - | 4+6 | - | - |
| 01392 570 | Allocated | Digitech Solutions Global Limited | 4+6 | - | 07/09/2010 |
| 01392 571 | Protected | - | 4+6 | - | - |
| 01392 572 | Protected | - | 4+6 | - | - |
| 01392 573 | Protected | - | 4+6 | - | - |
| 01392 574 | Protected | - | 4+6 | - | - |
| 01392 575 | Protected | - | 4+6 | - | - |
| 01392 576 | Protected | - | 4+6 | - | - |
| 01392 577 | Protected | - | 4+6 | - | - |
| 01392 578 | Protected | - | 4+6 | - | - |
| 01392 579 | Protected | - | 4+6 | - | - |
| 01392 58 | Allocated | Wavecrest (UK) Ltd | 4+6 | - | 14/11/2005 |
| 01392 59 | Allocated | TTNC Limited | 4+6 | F-Digits '0,1,2,3,4,5,6,7,8,9' | 10/02/2006 |
| 01392 60 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 610 | Allocated | InTechnology Plc | 4+6 | - | 22/03/2010 |
| 01392 611 | Protected | - | 4+6 | - | - |
| 01392 612 | Allocated | InTechnology Plc | 4+6 | - | 22/03/2010 |
| 01392 613 | Protected | - | 4+6 | - | - |
| 01392 614 | Protected | - | 4+6 | - | - |
| 01392 615 | Protected | - | 4+6 | - | - |
| 01392 616 | Allocated | InTechnology Plc | 4+6 | - | 22/03/2010 |
| 01392 617 | Protected | - | 4+6 | - | - |
| 01392 618 | Protected | - | 4+6 | - | - |
| 01392 619 | Allocated | InTechnology Plc | 4+6 | - | 22/03/2010 |
| 01392 62 | Allocated | TG Support Limited | 4+6 | - | 10/07/2006 |
| 01392 63 | Allocated | Citrus Telecommunications Ltd | 4+6 | - | 02/08/2005 |
| 01392 640 | Allocated | VoiceHost Limited | 4+6 | - | 17/09/2010 |
| 01392 641 | Protected | - | 4+6 | - | - |
| 01392 642 | Protected | - | 4+6 | - | - |
| 01392 643 | Protected | - | 4+6 | - | - |
| 01392 644 | Protected | - | 4+6 | - | - |
| 01392 645 | Protected | - | 4+6 | - | - |
| 01392 646 | Protected | - | 4+6 | - | - |
| 01392 647 | Protected | - | 4+6 | - | - |
| 01392 648 | Protected | - | 4+6 | - | - |
| 01392 649 | Protected | - | 4+6 | - | - |
| 01392 650 | Protected | - | 4+6 | - | - |
| 01392 651 | Protected | - | 4+6 | - | - |
| 01392 652 | Protected | - | 4+6 | - | - |
| 01392 653 | Allocated | Coms.Com Ltd | 4+6 | - | 08/02/2010 |
| 01392 654 | Protected | - | 4+6 | - | - |
| 01392 655 | Protected | - | 4+6 | - | - |
| 01392 656 | Protected | - | 4+6 | - | - |
| 01392 657 | Protected | - | 4+6 | - | - |
| 01392 658 | Protected | - | 4+6 | - | - |
| 01392 659 | Protected | - | 4+6 | - | - |
| 01392 66 | Allocated | Eurobell (Holdings) Limited | 4+6 | - | 23/05/1997 |
| 01392 67 | Allocated | Eurobell (Holdings) Limited | 4+6 | - | 06/03/1998 |
| 01392 68 | Allocated | Eurobell (Holdings) Limited | 4+6 | - | 12/03/1999 |
| 01392 69 | Allocated | Telephony Services Limited | 4+6 | - | 01/11/2004 |
| 01392 700 | Protected | - | 4+6 | - | - |
| 01392 701 | Protected | - | 4+6 | - | - |
| 01392 702 | Protected | - | 4+6 | - | - |
| 01392 703 | Protected | - | 4+6 | - | - |
| 01392 704 | Protected | - | 4+6 | - | - |
| 01392 705 | Protected | - | 4+6 | - | - |
| 01392 706 | Protected | - | 4+6 | - | - |
| 01392 707 | Protected | - | 4+6 | - | - |
| 01392 708 | Protected | - | 4+6 | - | - |
| 01392 709 | Protected | - | 4+6 | - | - |
| 01392 710 | Allocated | Linear Telecoms Limited | 4+6 | - | 08/10/2010 |
| 01392 711 | Protected | - | 4+6 | - | - |
| 01392 712 | Protected | - | 4+6 | - | - |
| 01392 713 | Protected | - | 4+6 | - | - |
| 01392 714 | Protected | - | 4+6 | - | - |
| 01392 715 | Protected | - | 4+6 | - | - |
| 01392 716 | Protected | - | 4+6 | - | - |
| 01392 717 | Protected | - | 4+6 | - | - |
| 01392 718 | Protected | - | 4+6 | - | - |
| 01392 719 | Protected | - | 4+6 | - | - |
| 01392 72 | Allocated | Eurobell (Holdings) Limited | 4+6 | - | 24/07/2008 |
| 01392 73 | Allocated | Net Solutions Europe Limited | 4+6 | F-Digit '3' | 12/04/2006 |
| 01392 74 | Allocated | Danemere Street Creative | 4+6 | - | 06/07/2006 |
| 01392 750 | Protected | - | 4+6 | - | - |
| 01392 751 | Protected | - | 4+6 | - | - |
| 01392 752 | Protected | - | 4+6 | - | - |
| 01392 753 | Protected | - | 4+6 | - | - |
| 01392 754 | Protected | - | 4+6 | - | - |
| 01392 755 | Protected | - | 4+6 | - | - |
| 01392 756 | Protected | - | 4+6 | - | - |
| 01392 757 | Allocated | TalkTalk Communications Limited | 4+6 | - | 20/01/2010 |
| 01392 758 | Allocated | TalkTalk Communications Limited | 4+6 | - | 20/01/2010 |
| 01392 759 | Allocated | TalkTalk Communications Limited | 4+6 | - | 20/01/2010 |
| 01392 760 | Protected | - | 4+6 | - | - |
| 01392 761 | Protected | - | 4+6 | - | - |
| 01392 762 | Allocated | Vodafone Ltd (C&W) | 4+6 | - | 14/07/2010 |
| 01392 763 | Protected | - | 4+6 | - | - |
| 01392 764 | Protected | - | 4+6 | - | - |
| 01392 765 | Protected | - | 4+6 | - | - |
| 01392 766 | Protected | - | 4+6 | - | - |
| 01392 767 | Protected | - | 4+6 | - | - |
| 01392 768 | Protected | - | 4+6 | - | - |
| 01392 769 | Protected | - | 4+6 | - | - |
| 01392 770 | Allocated | Edge Telecom Limited | 4+6 | - | 24/03/2010 |
| 01392 771 | Allocated | Edge Telecom Limited | 4+6 | - | 24/03/2010 |
| 01392 772 | Protected | - | 4+6 | - | - |
| 01392 773 | Protected | - | 4+6 | - | - |
| 01392 774 | Protected | - | 4+6 | - | - |
| 01392 775 | Protected | - | 4+6 | - | - |
| 01392 776 | Protected | - | 4+6 | - | - |
| 01392 777 | Protected | - | 4+6 | - | - |
| 01392 778 | Protected | - | 4+6 | - | - |
| 01392 779 | Protected | - | 4+6 | - | - |
| 01392 780 | Allocated | Syntec Limited | 4+6 | - | 13/07/2010 |
| 01392 781 | Allocated | Syntec Limited | 4+6 | - | 13/07/2010 |
| 01392 782 | Allocated | Syntec Limited | 4+6 | - | 13/07/2010 |
| 01392 783 | Allocated | Syntec Limited | 4+6 | - | 13/07/2010 |
| 01392 784 | Allocated | Syntec Limited | 4+6 | - | 13/07/2010 |
| 01392 785 | Protected | - | 4+6 | - | - |
| 01392 786 | Protected | - | 4+6 | - | - |
| 01392 787 | Protected | - | 4+6 | - | - |
| 01392 788 | Protected | - | 4+6 | - | - |
| 01392 789 | Protected | - | 4+6 | - | - |
| 01392 790 | Allocated | BT | 4+6 | - | 24/10/2013 |
| 01392 791 | Allocated | TalkTalk Communications Limited | 4+6 | - | 09/09/2014 |
| 01392 792 | Allocated | Safety In Numbers.co.uk Limited | 4+6 | - | 21/07/2014 |
| 01392 793 | Free | - | 4+6 | - | - |
| 01392 794 | Free | - | 4+6 | - | - |
| 01392 795 | Free | - | 4+6 | - | - |
| 01392 796 | Free | - | 4+6 | - | - |
| 01392 797 | Free | - | 4+6 | - | - |
| 01392 798 | Free | - | 4+6 | - | - |
| 01392 799 | Allocated | Radius Communications Limited | 4+6 | - | 07/01/2014 |
| 01392 800 | Protected | - | 4+6 | - | - |
| 01392 801 | Protected | - | 4+6 | - | - |
| 01392 802 | Protected | - | 4+6 | - | - |
| 01392 803 | Protected | - | 4+6 | - | - |
| 01392 804 | Protected | - | 4+6 | - | - |
| 01392 805 | Protected | - | 4+6 | - | - |
| 01392 806 | Protected | - | 4+6 | - | - |
| 01392 807 | Allocated | Served Up Limited. | 4+6 | - | 29/06/2010 |
| 01392 808 | Allocated | Served Up Limited. | 4+6 | - | 29/06/2010 |
| 01392 809 | Allocated | Served Up Limited. | 4+6 | - | 29/06/2010 |
| 01392 81 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 82 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 83 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 84 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 85 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 86 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 87 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 88 | Allocated | BT | 4+6 | - | 15/07/1994 |
| 01392 89 | Allocated | Vodafone Ltd (Energis) | 4+6 | - | 26/05/2006 |
| 01392 900 | Allocated | iHub UK Ltd | 4+6 | - | 14/08/2013 |
| 01392 901 | Allocated | Barritel Limited | 4+6 | - | 02/11/2006 |
| 01392 902 | Allocated | Teledesign Ltd | 4+6 | - | 19/09/2006 |
| 01392 903 | Allocated | Resilient Networks Plc | 4+6 | - | 20/12/2006 |
| 01392 904 | Allocated | TelNG Limited | 4+6 | - | 27/02/2007 |
| 01392 905 | Allocated | Localphone Limited | 4+6 | - | 03/05/2007 |
| 01392 906 | Allocated | Starcomm Ltd | 4+6 | - | 24/05/2007 |
| 01392 907 | Allocated | Spitfire Network Services Ltd | 4+6 | - | 28/11/2006 |
| 01392 908 | Allocated | Frontier Systems Ltd | 4+6 | - | 30/07/2007 |
| 01392 909 | Allocated | Callagenix Ltd | 4+6 | - | 20/10/2006 |
| 01392 910 | Allocated | (aq) Limited trading as aql | 4+6 | - | 19/10/2011 |
| 01392 911 | Allocated | VoIP-Un Limited | 4+6 | - | 29/10/2007 |
| 01392 912 | Allocated | X-Pilot Limited | 4+6 | - | 31/10/2007 |
| 01392 913 | Allocated | Timico Limited | 4+6 | - | 30/11/2007 |
| 01392 914 | Allocated | Voxbone SA | 4+6 | - | 28/11/2007 |
| 01392 915 | Allocated | TelXL Ltd | 4+6 | - | 12/02/2008 |
| 01392 916 | Allocated | Telecom2 Ltd | 4+6 | - | 11/09/2009 |
| 01392 917 | Allocated | Invest UK Limited | 4+6 | - | 10/07/2008 |
| 01392 918 | Allocated | Nationwide Telephone Assistance Ltd | 4+6 | - | 10/07/2008 |
| 01392 919 | Allocated | Nodemax Limited | 4+6 | - | 11/07/2008 |
| 01392 920 | Allocated | TalkTalk Communications Limited | 4+6 | - | 25/07/2008 |
| 01392 921 | Allocated | 3C Limited | 4+6 | - | 11/09/2008 |
| 01392 922 | Allocated | Net-Work Internet Ltd | 4+6 | - | 01/08/2008 |
| 01392 923 | Allocated | Solutios Limited | 4+6 | - | 06/10/2008 |
| 01392 924 | Allocated | Barritec Limited | 4+6 | - | 12/11/2008 |
| 01392 925 | Free | - | 4+6 | - | - |
| 01392 926 | Allocated | British Sky Broadcasting Limited | 4+6 | - | 28/01/2009 |
| 01392 927 | Allocated | iNet Telecoms Ltd (Voipfone) | 4+6 | - | 18/11/2008 |
| 01392 928 | Allocated | Premium O Limited | 4+6 | - | 08/01/2009 |
| 01392 929 | Allocated | Mars Communications Limited | 4+6 | - | 12/02/2009 |
| 01392 930 | Allocated | IPV6 Limited | 4+6 | - | 04/02/2009 |
| 01392 931 | Allocated | Telecoms World Plc | 4+6 | - | 13/03/2009 |
| 01392 932 | Allocated | Colloquium Ltd | 4+6 | - | 26/03/2009 |
| 01392 933 | Allocated | Andrews & Arnold (Numbers) Ltd | 4+6 | - | 05/03/2009 |
| 01392 934 | Allocated | Nexus Telecommunications Limited | 4+6 | - | 07/04/2009 |
| 01392 935 | Allocated | Oxygen8 Communications UK Limited | 4+6 | - | 08/04/2009 |
| 01392 936 | Allocated | PTGI International Carrier Services Ltd | 4+6 | - | 11/06/2009 |
| 01392 937 | Allocated | Orbis Telecom | 4+6 | - | 19/06/2009 |
| 01392 938 | Allocated | Easynet Enterprise Services Limited | 4+6 | - | 19/06/2009 |
| 01392 939 | Allocated | Telephone Box Limited | 4+6 | - | 18/11/2010 |
| 01392 940 | Allocated | Mundio Mobile Limited | 4+6 | - | 29/06/2009 |
| 01392 941 | Free | - | 4+6 | - | - |
| 01392 942 | Allocated | Known Communications Limited | 4+6 | - | 17/09/2009 |
| 01392 943 | Allocated | CFL Communications Limited | 4+6 | - | 24/09/2009 |
| 01392 944 | Allocated | TeleWare PLC | 4+6 | - | 25/09/2009 |
| 01392 945 | Free | - | 4+6 | - | - |
| 01392 946 | Allocated | Wightfibre Limited | 4+6 | - | 03/12/2009 |
| 01392 947 | Allocated | Invomo Ltd | 4+6 | - | 04/12/2009 |
| 01392 948 | Allocated | i-Net Communications Group Plc | 4+6 | - | 12/01/2010 |
| 01392 949 | Allocated | Buzz Networks Limited | 4+6 | - | 01/03/2010 |
| 01392 950 | Allocated | Minotaur Telecom Limited | 4+6 | - | 16/03/2010 |
| 01392 951 | Allocated | Atomstream Limited | 4+6 | - | 22/03/2010 |
| 01392 952 | Allocated | Liquid 11 Limited | 4+6 | - | 20/04/2010 |
| 01392 953 | Allocated | Telappliant Ltd | 4+6 | - | 01/06/2010 |
| 01392 954 | Allocated | Calltracks Limited | 4+6 | - | 08/07/2010 |
| 01392 955 | Allocated | Suretec Systems Ltd | 4+6 | - | 05/05/2010 |
| 01392 956 | Allocated | Windsor Telecom Plc | 4+6 | - | 20/07/2010 |
| 01392 957 | Allocated | Magnetic North Software Limited | 4+6 | - | 02/08/2010 |
| 01392 958 | Allocated | Core Telecom Limited | 4+6 | - | 05/08/2010 |
| 01392 959 | Allocated | TeleSurf Limited | 4+6 | - | 30/06/2010 |
| 01392 960 | Allocated | Cheers International Sales Limited | 4+6 | - | 13/12/2010 |
| 01392 961 | Allocated | Phone Co-Op Numbering Limited | 4+6 | - | 22/12/2010 |
| 01392 962 | Allocated | Globecom International Limited | 4+6 | - | 29/12/2010 |
| 01392 963 | Allocated | Invosys Limited | 4+6 | - | 18/01/2011 |
| 01392 964 | Allocated | IP Base Ltd | 4+6 | - | 21/01/2011 |
| 01392 965 | Allocated | Firstsound Ltd | 4+6 | - | 11/04/2011 |
| 01392 966 | Allocated | TalkTalk Communications Limited | 4+6 | - | 09/06/2011 |
| 01392 967 | Allocated | Tesla Dynamic Ltd | 4+6 | - | 30/06/2011 |
| 01392 968 | Allocated | Orbtalk Limited | 4+6 | - | 11/07/2011 |
| 01392 969 | Allocated | British Sky Broadcasting Limited | 4+6 | - | 27/06/2011 |
| 01392 970 | Allocated | Broadcast Telecom Ltd | 4+6 | - | 21/02/2012 |
| 01392 971 | Allocated | Nexbridge Communications Limited | 4+6 | - | 10/01/2012 |
| 01392 972 | Allocated | Bicom Systems EURL | 4+6 | - | 02/03/2012 |
| 01392 973 | Allocated | API Telecom Limited | 4+6 | - | 27/03/2012 |
| 01392 974 | Allocated | ICC Networks Ltd | 4+6 | - | 13/04/2012 |
| 01392 975 | Allocated | British Sky Broadcasting Limited | 4+6 | - | 24/05/2012 |
| 01392 976 | Allocated | IOVOX Limited | 4+6 | - | 02/07/2012 |
| 01392 977 | Allocated | Tuxtel Ltd | 4+6 | - | 21/12/2011 |
| 01392 978 | Allocated | Orange Business Holdings UK Limited | 4+6 | - | 13/07/2012 |
| 01392 979 | Allocated | Ziron (UK) Ltd | 4+6 | - | 30/07/2012 |
| 01392 980 | Allocated | British Sky Broadcasting Limited | 4+6 | - | 27/09/2012 |
| 01392 981 | Allocated | Voxclever Limited | 4+6 | - | 04/02/2013 |
| 01392 982 | Allocated | Simwood eSMS Limited | 4+6 | - | 05/04/2013 |
| 01392 983 | Allocated | Media Hawk Ltd | 4+6 | - | 11/04/2013 |
| 01392 984 | Allocated | Kalnet4u Ltd | 4+6 | - | 17/05/2013 |
| 01392 985 | Free | - | 4+6 | - | - |
| 01392 986 | Allocated | British Sky Broadcasting Limited | 4+6 | - | 21/08/2013 |
| 01392 987 | Allocated | XoverX Ltd | 4+6 | - | 30/04/2013 |
| 01392 988 | Allocated | We Love Communications Limited | 4+6 | - | 08/08/2012 |
| 01392 989 | Allocated | Content Guru Ltd | 4+6 | - | 12/10/2012 |
| 01392 99 | Protected | - | N/A | - | - |