Code allocations for the 01431 STD code

Summary

  • Status
    • Allocated: 80
    • Free: 7
    • Free for National Dialling Only: 20
    • Protected: 380
  • Operators : 76
  • Latest change : November 2009
Click here for Status definitions
Have you received a call from a number beginning 01431? Get information on a full number beginning 01431, using our full UK number search.
Find out about the location and calling costs for 01431 numbers on our 01431 code page.

This page contains information about which telephone companies the various 01431 numbers are allocated to.

First Digits Status Communications Provider Number Length Notes Change
01431 00 Free for National Dialling Only - (0)+10 - -
01431 01 Free for National Dialling Only - (0)+10 - -
01431 02 Free for National Dialling Only - (0)+10 - -
01431 03 Free for National Dialling Only - (0)+10 - -
01431 04 Free for National Dialling Only - (0)+10 - -
01431 05 Free for National Dialling Only - (0)+10 - -
01431 06 Free for National Dialling Only - (0)+10 - -
01431 07 Free for National Dialling Only - (0)+10 - -
01431 08 Free for National Dialling Only - (0)+10 - -
01431 09 Free for National Dialling Only - (0)+10 - -
01431 10 Free for National Dialling Only - (0)+10 - -
01431 11 Free for National Dialling Only - (0)+10 - -
01431 12 Free for National Dialling Only - (0)+10 - -
01431 13 Free for National Dialling Only - (0)+10 - -
01431 14 Free for National Dialling Only - (0)+10 - -
01431 15 Free for National Dialling Only - (0)+10 - -
01431 16 Free for National Dialling Only - (0)+10 - -
01431 17 Free for National Dialling Only - (0)+10 - -
01431 18 Free for National Dialling Only - (0)+10 - -
01431 19 Free for National Dialling Only - (0)+10 - -
01431 20 Allocated VoIP-Un Limited 4+6 F-Digit '0' 29/10/2007
01431 21 Allocated Timico Limited 4+6 F-Digit '8' 30/11/2007
01431 22 Allocated Net-Work Internet Ltd 4+6 F-Digit '2' 08/11/2007
01431 23 Allocated Telecom2 Ltd 4+6 F-Digit '6' 11/09/2009
01431 24 Allocated Nodemax Limited 4+6 F-Digit '0' 16/07/2008
01431 25 Allocated 3C Limited 4+6 F-Digit '2' 11/09/2008
01431 260 Allocated Voxbone SA 4+6 - 08/12/2011
01431 261 Protected - 4+6 - -
01431 262 Protected - 4+6 - -
01431 263 Protected - 4+6 - -
01431 264 Protected - 4+6 - -
01431 265 Protected - 4+6 - -
01431 266 Protected - 4+6 - -
01431 267 Protected - 4+6 - -
01431 268 Protected - 4+6 - -
01431 269 Protected - 4+6 - -
01431 27 Allocated Solutios Limited 4+6 F-Digit '2' 08/10/2008
01431 280 Protected - 4+6 - -
01431 281 Protected - 4+6 - -
01431 282 Protected - 4+6 - -
01431 283 Protected - 4+6 - -
01431 284 Protected - 4+6 - -
01431 285 Protected - 4+6 - -
01431 286 Protected - 4+6 - -
01431 287 Allocated Premium O Limited 4+6 - 02/10/2012
01431 288 Protected - 4+6 - -
01431 289 Protected - 4+6 - -
01431 29 Allocated IPV6 Limited 4+6 F-Digit '0' 04/02/2009
01431 30 Allocated Mars Communications Limited 4+6 F-Digit '0' 12/02/2009
01431 31 Allocated Andrews & Arnold (Numbers) Ltd 4+6 F-Digit '0' 05/03/2009
01431 32 Allocated Mundio Mobile Limited 4+6 F-Digit '6' 06/07/2009
01431 33 Allocated CFL Communications Limited 4+6 F-Digit '0' 10/07/2009
01431 34 Allocated Known Communications Limited 4+6 F-Digit '0' 17/09/2009
01431 35 Allocated Nexus Telecommunications Limited 4+6 F-Digit '0' 28/09/2009
01431 360 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 30/11/2009
01431 361 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 30/11/2009
01431 362 Protected - 4+6 - -
01431 363 Protected - 4+6 - -
01431 364 Protected - 4+6 - -
01431 365 Protected - 4+6 - -
01431 366 Protected - 4+6 - -
01431 367 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 30/11/2009
01431 368 Protected - 4+6 - -
01431 369 Allocated iNet Telecoms Ltd (Voipfone) 4+6 - 30/11/2009
01431 370 Allocated Digitech Solutions Global Limited 4+6 - 28/04/2010
01431 371 Allocated Suretec Systems Ltd 4+6 - 06/05/2010
01431 372 Free - 4+6 - -
01431 373 Allocated Windsor Telecom Plc 4+6 - 21/07/2010
01431 374 Allocated Simwood eSMS Limited 4+6 - 09/08/2010
01431 375 Allocated VoiceHost Limited 4+6 - 27/09/2010
01431 376 Allocated Affiniti Integrated Solutions Ltd 4+6 - 01/12/2010
01431 377 Allocated Atomstream Limited 4+6 - 23/04/2010
01431 378 Allocated Telephone Box Limited 4+6 - 25/11/2010
01431 379 Allocated Cheers International Sales Limited 4+6 - 14/12/2010
01431 380 Allocated Phone Co-Op Numbering Limited 4+6 - 22/12/2010
01431 381 Allocated Globecom International Limited 4+6 - 29/12/2010
01431 382 Allocated Invosys Limited 4+6 - 18/01/2011
01431 383 Allocated IP Base Ltd 4+6 - 04/02/2011
01431 384 Allocated Nexbridge Communications Limited 4+6 - 16/03/2011
01431 385 Free - 4+6 - -
01431 386 Free - 4+6 - -
01431 387 Allocated Barritec Limited 4+6 - 20/09/2011
01431 388 Allocated Orbtalk Limited 4+6 - 21/09/2011
01431 389 Allocated Invoco Ltd 4+6 - 22/09/2011
01431 390 Allocated Internexus Networks Limited 4+6 - 21/11/2011
01431 391 Allocated API Telecom Limited 4+6 - 29/03/2012
01431 392 Allocated Bicom Systems EURL 4+6 - 02/03/2012
01431 393 Allocated Ziron (UK) Ltd 4+6 - 30/07/2012
01431 394 Allocated Broadcast Telecom Ltd 4+6 - 21/02/2012
01431 395 Allocated ICC Networks Ltd 4+6 - 13/04/2012
01431 396 Allocated Hello Telecom (UK) PLC 4+6 - 20/07/2012
01431 397 Allocated i-Net Communications Group Plc 4+6 - 21/06/2013
01431 398 Allocated IOVOX Limited 4+6 - 03/07/2012
01431 399 Allocated We Love Communications Limited 4+6 - 08/08/2012
01431 400 Allocated Minotaur Telecom Limited 4+6 - 18/12/2012
01431 401 Allocated iHub UK Ltd 4+6 - 16/08/2013
01431 402 Allocated Kalnet4u Ltd 4+6 - 20/05/2013
01431 403 Allocated Radius Communications Limited 4+6 - 09/01/2014
01431 404 Allocated Content Guru Ltd 4+6 - 15/10/2012
01431 405 Free - 4+6 - -
01431 406 Free - 4+6 - -
01431 407 Free - 4+6 - -
01431 408 Free - 4+6 - -
01431 409 Allocated XoverX Ltd 4+6 - 30/04/2013
01431 410 Protected - 4+6 - -
01431 411 Protected - 4+6 - -
01431 412 Protected - 4+6 - -
01431 413 Protected - 4+6 - -
01431 414 Protected - 4+6 - -
01431 415 Protected - 4+6 - -
01431 416 Protected - 4+6 - -
01431 417 Protected - 4+6 - -
01431 418 Protected - 4+6 - -
01431 419 Protected - 4+6 - -
01431 420 Protected - 4+6 - -
01431 421 Protected - 4+6 - -
01431 422 Protected - 4+6 - -
01431 423 Protected - 4+6 - -
01431 424 Protected - 4+6 - -
01431 425 Protected - 4+6 - -
01431 426 Protected - 4+6 - -
01431 427 Protected - 4+6 - -
01431 428 Protected - 4+6 - -
01431 429 Protected - 4+6 - -
01431 430 Protected - 4+6 - -
01431 431 Protected - 4+6 - -
01431 432 Protected - 4+6 - -
01431 433 Protected - 4+6 - -
01431 434 Protected - 4+6 - -
01431 435 Protected - 4+6 - -
01431 436 Protected - 4+6 - -
01431 437 Protected - 4+6 - -
01431 438 Protected - 4+6 - -
01431 439 Protected - 4+6 - -
01431 440 Protected - 4+6 - -
01431 441 Protected - 4+6 - -
01431 442 Protected - 4+6 - -
01431 443 Protected - 4+6 - -
01431 444 Protected - 4+6 - -
01431 445 Protected - 4+6 - -
01431 446 Protected - 4+6 - -
01431 447 Protected - 4+6 - -
01431 448 Protected - 4+6 - -
01431 449 Protected - 4+6 - -
01431 450 Protected - 4+6 - -
01431 451 Protected - 4+6 - -
01431 452 Protected - 4+6 - -
01431 453 Protected - 4+6 - -
01431 454 Protected - 4+6 - -
01431 455 Protected - 4+6 - -
01431 456 Protected - 4+6 - -
01431 457 Protected - 4+6 - -
01431 458 Protected - 4+6 - -
01431 459 Protected - 4+6 - -
01431 460 Protected - 4+6 - -
01431 461 Protected - 4+6 - -
01431 462 Protected - 4+6 - -
01431 463 Protected - 4+6 - -
01431 464 Protected - 4+6 - -
01431 465 Protected - 4+6 - -
01431 466 Protected - 4+6 - -
01431 467 Protected - 4+6 - -
01431 468 Protected - 4+6 - -
01431 469 Protected - 4+6 - -
01431 470 Protected - 4+6 - -
01431 471 Protected - 4+6 - -
01431 472 Protected - 4+6 - -
01431 473 Protected - 4+6 - -
01431 474 Protected - 4+6 - -
01431 475 Protected - 4+6 - -
01431 476 Protected - 4+6 - -
01431 477 Protected - 4+6 - -
01431 478 Protected - 4+6 - -
01431 479 Protected - 4+6 - -
01431 480 Protected - 4+6 - -
01431 481 Protected - 4+6 - -
01431 482 Protected - 4+6 - -
01431 483 Protected - 4+6 - -
01431 484 Protected - 4+6 - -
01431 485 Protected - 4+6 - -
01431 486 Protected - 4+6 - -
01431 487 Protected - 4+6 - -
01431 488 Protected - 4+6 - -
01431 489 Protected - 4+6 - -
01431 490 Protected - 4+6 - -
01431 491 Protected - 4+6 - -
01431 492 Protected - 4+6 - -
01431 493 Protected - 4+6 - -
01431 494 Protected - 4+6 - -
01431 495 Protected - 4+6 - -
01431 496 Protected - 4+6 - -
01431 497 Protected - 4+6 - -
01431 498 Protected - 4+6 - -
01431 499 Protected - 4+6 - -
01431 500 Protected - 4+6 - -
01431 501 Protected - 4+6 - -
01431 502 Protected - 4+6 - -
01431 503 Protected - 4+6 - -
01431 504 Protected - 4+6 - -
01431 505 Protected - 4+6 - -
01431 506 Protected - 4+6 - -
01431 507 Protected - 4+6 - -
01431 508 Protected - 4+6 - -
01431 509 Protected - 4+6 - -
01431 510 Protected - 4+6 - -
01431 511 Protected - 4+6 - -
01431 512 Protected - 4+6 - -
01431 513 Protected - 4+6 - -
01431 514 Protected - 4+6 - -
01431 515 Protected - 4+6 - -
01431 516 Protected - 4+6 - -
01431 517 Protected - 4+6 - -
01431 518 Protected - 4+6 - -
01431 519 Protected - 4+6 - -
01431 520 Protected - 4+6 - -
01431 521 Protected - 4+6 - -
01431 522 Protected - 4+6 - -
01431 523 Protected - 4+6 - -
01431 524 Protected - 4+6 - -
01431 525 Protected - 4+6 - -
01431 526 Protected - 4+6 - -
01431 527 Protected - 4+6 - -
01431 528 Protected - 4+6 - -
01431 529 Protected - 4+6 - -
01431 530 Protected - 4+6 - -
01431 531 Protected - 4+6 - -
01431 532 Protected - 4+6 - -
01431 533 Protected - 4+6 - -
01431 534 Protected - 4+6 - -
01431 535 Protected - 4+6 - -
01431 536 Protected - 4+6 - -
01431 537 Protected - 4+6 - -
01431 538 Protected - 4+6 - -
01431 539 Protected - 4+6 - -
01431 540 Protected - 4+6 - -
01431 541 Protected - 4+6 - -
01431 542 Protected - 4+6 - -
01431 543 Protected - 4+6 - -
01431 544 Protected - 4+6 - -
01431 545 Protected - 4+6 - -
01431 546 Protected - 4+6 - -
01431 547 Protected - 4+6 - -
01431 548 Protected - 4+6 - -
01431 549 Protected - 4+6 - -
01431 550 Protected - 4+6 - -
01431 551 Protected - 4+6 - -
01431 552 Protected - 4+6 - -
01431 553 Protected - 4+6 - -
01431 554 Protected - 4+6 - -
01431 555 Protected - 4+6 - -
01431 556 Protected - 4+6 - -
01431 557 Protected - 4+6 - -
01431 558 Protected - 4+6 - -
01431 559 Protected - 4+6 - -
01431 560 Protected - 4+6 - -
01431 561 Protected - 4+6 - -
01431 562 Protected - 4+6 - -
01431 563 Protected - 4+6 - -
01431 564 Protected - 4+6 - -
01431 565 Protected - 4+6 - -
01431 566 Protected - 4+6 - -
01431 567 Protected - 4+6 - -
01431 568 Protected - 4+6 - -
01431 569 Protected - 4+6 - -
01431 570 Protected - 4+6 - -
01431 571 Protected - 4+6 - -
01431 572 Protected - 4+6 - -
01431 573 Protected - 4+6 - -
01431 574 Protected - 4+6 - -
01431 575 Protected - 4+6 - -
01431 576 Protected - 4+6 - -
01431 577 Protected - 4+6 - -
01431 578 Protected - 4+6 - -
01431 579 Protected - 4+6 - -
01431 580 Protected - 4+6 - -
01431 581 Protected - 4+6 - -
01431 582 Protected - 4+6 - -
01431 583 Protected - 4+6 - -
01431 584 Protected - 4+6 - -
01431 585 Protected - 4+6 - -
01431 586 Protected - 4+6 - -
01431 587 Protected - 4+6 - -
01431 588 Protected - 4+6 - -
01431 589 Protected - 4+6 - -
01431 590 Protected - 4+6 - -
01431 591 Protected - 4+6 - -
01431 592 Protected - 4+6 - -
01431 593 Protected - 4+6 - -
01431 594 Protected - 4+6 - -
01431 595 Protected - 4+6 - -
01431 596 Protected - 4+6 - -
01431 597 Protected - 4+6 - -
01431 598 Protected - 4+6 - -
01431 599 Protected - 4+6 - -
01431 600 Protected - 4+6 - -
01431 601 Protected - 4+6 - -
01431 602 Protected - 4+6 - -
01431 603 Protected - 4+6 - -
01431 604 Protected - 4+6 - -
01431 605 Protected - 4+6 - -
01431 606 Protected - 4+6 - -
01431 607 Protected - 4+6 - -
01431 608 Protected - 4+6 - -
01431 609 Protected - 4+6 - -
01431 610 Protected - 4+6 - -
01431 611 Protected - 4+6 - -
01431 612 Protected - 4+6 - -
01431 613 Protected - 4+6 - -
01431 614 Protected - 4+6 - -
01431 615 Protected - 4+6 - -
01431 616 Protected - 4+6 - -
01431 617 Protected - 4+6 - -
01431 618 Protected - 4+6 - -
01431 619 Protected - 4+6 - -
01431 620 Protected - 4+6 - -
01431 621 Protected - 4+6 - -
01431 622 Protected - 4+6 - -
01431 623 Protected - 4+6 - -
01431 624 Protected - 4+6 - -
01431 625 Protected - 4+6 - -
01431 626 Protected - 4+6 - -
01431 627 Protected - 4+6 - -
01431 628 Protected - 4+6 - -
01431 629 Protected - 4+6 - -
01431 630 Protected - 4+6 - -
01431 631 Protected - 4+6 - -
01431 632 Protected - 4+6 - -
01431 633 Protected - 4+6 - -
01431 634 Protected - 4+6 - -
01431 635 Protected - 4+6 - -
01431 636 Protected - 4+6 - -
01431 637 Protected - 4+6 - -
01431 638 Protected - 4+6 - -
01431 639 Protected - 4+6 - -
01431 640 Protected - 4+6 - -
01431 641 Protected - 4+6 - -
01431 642 Protected - 4+6 - -
01431 643 Protected - 4+6 - -
01431 644 Protected - 4+6 - -
01431 645 Protected - 4+6 - -
01431 646 Protected - 4+6 - -
01431 647 Protected - 4+6 - -
01431 648 Protected - 4+6 - -
01431 649 Protected - 4+6 - -
01431 650 Protected - 4+6 - -
01431 651 Protected - 4+6 - -
01431 652 Protected - 4+6 - -
01431 653 Protected - 4+6 - -
01431 654 Protected - 4+6 - -
01431 655 Protected - 4+6 - -
01431 656 Protected - 4+6 - -
01431 657 Protected - 4+6 - -
01431 658 Protected - 4+6 - -
01431 659 Protected - 4+6 - -
01431 660 Protected - 4+6 - -
01431 661 Protected - 4+6 - -
01431 662 Protected - 4+6 - -
01431 663 Protected - 4+6 - -
01431 664 Protected - 4+6 - -
01431 665 Protected - 4+6 - -
01431 666 Protected - 4+6 - -
01431 667 Protected - 4+6 - -
01431 668 Protected - 4+6 - -
01431 669 Protected - 4+6 - -
01431 670 Protected - 4+6 - -
01431 671 Protected - 4+6 - -
01431 672 Protected - 4+6 - -
01431 673 Protected - 4+6 - -
01431 674 Protected - 4+6 - -
01431 675 Protected - 4+6 - -
01431 676 Protected - 4+6 - -
01431 677 Protected - 4+6 - -
01431 678 Protected - 4+6 - -
01431 679 Protected - 4+6 - -
01431 680 Protected - 4+6 - -
01431 681 Protected - 4+6 - -
01431 682 Protected - 4+6 - -
01431 683 Protected - 4+6 - -
01431 684 Protected - 4+6 - -
01431 685 Protected - 4+6 - -
01431 686 Protected - 4+6 - -
01431 687 Protected - 4+6 - -
01431 688 Protected - 4+6 - -
01431 689 Protected - 4+6 - -
01431 690 Protected - 4+6 - -
01431 691 Protected - 4+6 - -
01431 692 Protected - 4+6 - -
01431 693 Protected - 4+6 - -
01431 694 Protected - 4+6 - -
01431 695 Protected - 4+6 - -
01431 696 Protected - 4+6 - -
01431 697 Protected - 4+6 - -
01431 698 Protected - 4+6 - -
01431 699 Protected - 4+6 - -
01431 70 Allocated Citrus Telecommunications Ltd 4+6 F-Digit '2' 11/04/2006
01431 710 Protected - 4+6 - -
01431 711 Protected - 4+6 - -
01431 712 Allocated Inclarity Communications Ltd 4+6 - 05/05/2006
01431 713 Protected - 4+6 - -
01431 714 Protected - 4+6 - -
01431 715 Protected - 4+6 - -
01431 716 Protected - 4+6 - -
01431 717 Protected - 4+6 - -
01431 718 Protected - 4+6 - -
01431 719 Protected - 4+6 - -
01431 72 Allocated TTNC Limited 4+6 F-Digits '0,1,2,3,4,5,6,7,8,9' 07/09/2006
01431 73 Allocated Danemere Street Creative 4+6 - 06/07/2006
01431 740 Protected - 4+6 - -
01431 741 Protected - 4+6 - -
01431 742 Protected - 4+6 - -
01431 743 Protected - 4+6 - -
01431 744 Protected - 4+6 - -
01431 745 Protected - 4+6 - -
01431 746 Protected - 4+6 - -
01431 747 Protected - 4+6 - -
01431 748 Protected - 4+6 - -
01431 749 Protected - 4+6 - -
01431 75 Allocated Served Up Limited. 4+6 F-Digit '5' 23/05/2008
01431 76 Allocated Edge Telecom Limited 4+6 - 06/04/2005
01431 77 Allocated FleXtel Limited 4+6 - 17/11/2005
01431 780 Allocated Linear Telecoms Limited 4+6 - 08/10/2010
01431 781 Protected - 4+6 - -
01431 782 Protected - 4+6 - -
01431 783 Protected - 4+6 - -
01431 784 Protected - 4+6 - -
01431 785 Protected - 4+6 - -
01431 786 Protected - 4+6 - -
01431 787 Protected - 4+6 - -
01431 788 Protected - 4+6 - -
01431 789 Protected - 4+6 - -
01431 79 Allocated TelNG Limited 4+6 F-Digit '2' 27/02/2007
01431 800 Protected - 4+6 - -
01431 801 Protected - 4+6 - -
01431 802 Protected - 4+6 - -
01431 803 Protected - 4+6 - -
01431 804 Protected - 4+6 - -
01431 805 Protected - 4+6 - -
01431 806 Protected - 4+6 - -
01431 807 Protected - 4+6 - -
01431 808 Protected - 4+6 - -
01431 809 Protected - 4+6 - -
01431 81 Allocated Syntec Limited 4+6 - 18/11/2005
01431 82 Allocated BT 4+6 - 15/07/2005
01431 83 Allocated BT 4+6 - 15/07/1994
01431 840 Protected - 4+6 - -
01431 841 Protected - 4+6 - -
01431 842 Protected - 4+6 - -
01431 843 Protected - 4+6 - -
01431 844 Protected - 4+6 - -
01431 845 Protected - 4+6 - -
01431 846 Protected - 4+6 - -
01431 847 Protected - 4+6 - -
01431 848 Protected - 4+6 - -
01431 849 Protected - 4+6 - -
01431 85 Allocated Localphone Limited 4+6 F-Digit '0' 04/05/2007
01431 86 Allocated Barritel Limited 4+6 F-Digit '2' 07/06/2007
01431 87 Allocated InTechnology Plc 4+6 F-Digit '2' 18/06/2007
01431 88 Allocated Net Solutions Europe Limited 4+6 F-Digit '8' 28/03/2006
01431 89 Allocated Frontier Systems Ltd 4+6 F-Digit '3' 26/09/2007
01431 90 Allocated Telephony Services Limited 4+6 F-Digit '5' 26/06/2006
01431 91 Allocated Magrathea Telecommunications Limited 4+6 - 24/09/2004
01431 92 Allocated Gamma Telecom Holdings Ltd 4+6 - 17/05/2005
01431 93 Allocated Starcomm Ltd 4+6 F-Digit '0' 24/05/2007
01431 94 Allocated (aq) Limited trading as aql 4+6 - 02/10/2007
01431 950 Protected - 4+6 - -
01431 951 Protected - 4+6 - -
01431 952 Protected - 4+6 - -
01431 953 Protected - 4+6 - -
01431 954 Protected - 4+6 - -
01431 955 Protected - 4+6 - -
01431 956 Protected - 4+6 - -
01431 957 Protected - 4+6 - -
01431 958 Allocated TalkTalk Communications Limited 4+6 - 28/08/2007
01431 959 Allocated TalkTalk Communications Limited 4+6 - 28/08/2007
01431 96 Allocated Nationwide Telephone Assistance Ltd 4+6 F-Digit '0' 01/10/2007
01431 970 Protected - 4+6 - -
01431 971 Protected - 4+6 - -
01431 972 Protected - 4+6 - -
01431 973 Protected - 4+6 - -
01431 974 Protected - 4+6 - -
01431 975 Protected - 4+6 - -
01431 976 Protected - 4+6 - -
01431 977 Allocated Spitfire Network Services Ltd 4+6 - 10/11/2011
01431 978 Protected - 4+6 - -
01431 979 Protected - 4+6 - -
01431 98 Allocated Teledesign Ltd 4+6 F-Digit '2' 29/08/2007
01431 99 Protected - N/A - -