0331 Numbers

0331 numbers are special use landline numbers that are not tied to any geographic location. This means that when you receive a call from a 0331 number, you have no way of knowing where it’s coming from. These numbers are used for government bodies, charities, public sector, and not-for-profit organizations and are in use across the UK. While the numbers aren’t tied to any geographic location, they don’t cost any more to call than standard, geographic-based landline numbers, like 01 or 02 numbers.

Since 0331 numbers don’t cost any more to call than a normal home or business landline, that means they are often included in call packages if you’re calling from a landline, or in included ‘talktime’ or bundled minutes when calling from a mobile.

0331 numbers were introduced as an alternative to chargeable 084 and 087 numbers. 0300 numbers let companies have a single point of contact for customers or interested parties without having to charge people extra to call them.

Calling costs for 0331 numbers

While a 0331 number is not categorized as a freephone number, calling them will not result in any added charges. Any 0331 number you call should be charged at your standard network rate. This applies to all 0331 numbers you call, no matter what the digits are afterwards.

Prefixes and Providers

CodeProviderAssigned
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0331 143BT15/10/2014
0331 144BT15/10/2014
0331 145BT15/10/2014
0331 146BT15/10/2014
0331 147BT15/10/2014
0331 148BT15/10/2014
0331 600BT12/12/2011
0331 601BT12/12/2011
0331 602BT12/12/2011
0331 603BT12/12/2011
0331 604BT12/12/2011
0331 605BT12/12/2011
0331 606BT12/12/2011
0331 607BT12/12/2011
0331 608BT12/12/2011
0331 609BT12/12/2011
0331 610BT12/12/2011
0331 611BT12/12/2011
0331 612BT12/12/2011
0331 613BT12/12/2011
0331 614BT12/12/2011
0331 615BT12/12/2011
0331 616BT12/12/2011
0331 617BT12/12/2011
0331 618BT12/12/2011
0331 619BT12/12/2011
0331 620BT12/12/2011
0331 621BT12/12/2011
0331 622BT12/12/2011
0331 623BT12/12/2011
0331 624BT12/12/2011
0331 625BT12/12/2011
0331 626BT12/12/2011
0331 627BT12/12/2011
0331 628BT12/12/2011
0331 629BT12/12/2011
0331 630BT12/12/2011
0331 631BT12/12/2011
0331 632BT12/12/2011
0331 633BT12/12/2011
0331 634BT12/12/2011
0331 635BT12/12/2011
0331 636BT12/12/2011
0331 637BT12/12/2011
0331 638BT12/12/2011
0331 639BT12/12/2011
0331 640BT12/12/2011
0331 641BT12/12/2011
0331 642BT12/12/2011
0331 643BT12/12/2011
0331 644BT12/12/2011
0331 645BT12/12/2011
0331 646BT12/12/2011
0331 647BT12/12/2011
0331 648BT12/12/2011
0331 649BT12/12/2011
0331 650BT12/12/2011
0331 651BT12/12/2011
0331 652BT12/12/2011
0331 653BT12/12/2011
0331 654BT11/04/2012
0331 655BT12/12/2011
0331 656BT12/12/2011
0331 657BT15/10/2014
0331 658BT15/10/2014
0331 659BT12/12/2011
0331 660BT12/12/2011
0331 661BT12/12/2011
0331 662BT12/12/2011
0331 663BT12/12/2011
0331 664BT12/12/2011
0331 665BT12/12/2011
0331 666BT12/12/2011
0331 667BT12/12/2011
0331 668BT12/12/2011
0331 669BT12/12/2011
0331 670BT22/08/2013
0331 671BT22/08/2013
0331 672BT22/08/2013
0331 673BT22/08/2013
0331 674BT22/08/2013
0331 675BT22/08/2013
0331 676BT22/08/2013
0331 677BT22/08/2013
0331 678BT22/08/2013
0331 679BT22/08/2013
0331 680BT22/08/2013
0331 681BT22/08/2013
0331 682BT22/08/2013
0331 683BT22/08/2013
0331 684BT22/08/2013
0331 685BT22/08/2013
0331 686BT22/08/2013
0331 687BT22/08/2013
0331 688BT22/08/2013
0331 689BT22/08/2013

Other 4-digit Prefixes