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The National Numbering Scheme - Telephone Numbers administered by Ofcom

Details of Allocations, and availability of UK Telephone Numbers. Information available to view as Excel 97 files (to select Telephone Numbers to apply for), or in csv format (for downloading). This information is updated weekly where possible.

Number Block Transactions

Allocations, Protections, etc (including any withdrawals), over rolling 12 months, for Telephone Numbers beginning 01-09, and Access Codes (DQ codes and Indirect Access codes). This information is updated weekly where possible.

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