This page is for communications providers (CPs) to download our data files. We publish data on which UK telephone numbers are available for allocation or are allocated, and aim to update these files every Wednesday.
We also publish lists of codes for use by CPs in number porting and other administrative tasks.
Number begins with | Excel download (.xlsx format) | CSV download | |
---|---|---|---|
01 or 02 | Geographic numbers | SABCDE11 = S1 Geographic Codes Starting 11 or 12 SABCDE13 = S1 Geographic Codes Starting 13 SABCDE14 = S1 Geographic Codes Starting 14 SABCDE15= S1 Geographic Codes Starting 15 SABCDE16= S1 Geographic Codes Starting 16 SABCDE17= S1 Geographic Codes Starting 17 SABCDE18= S1 Geographic Codes Starting 18 | |
03 | Non-Geographic Numbers: calls charged at a geographic rate | ||
055 or 056 | Corporate Numbers and Location Independent Electronic Communications Systems numbers | ||
07 | Personal Numbers, Radiopaging Service & Mobile Service numbers | ||
08 | Non-Geographic Numbers | ||
090, 091 or 098 | Non-Geographic Numbers | ||
1XX | Access codes |
Download all telephone number CSV files in ZIP format.
To help CPs keep track, we publish lists of number allocations made over a rolling 12-month period. Please note that transferred numbers will also be shown as “allocated”. CPs are responsible for keeping their own records up to date.
Type of number transferred | Excel download | CSV download |
---|---|---|
Telephone numbers beginning 01-09 | ||
Codes for indirect access, and directory enquiries (“DQ”) |
Code type | Excel download | CSV download |
---|---|---|
Number Portability Prefix Code (NPPC) Prefixes to use when porting numbers other than Mobile Services numbers | ||
Mobile portability code (MPC) Prefixes to use when porting Mobile Services numbers | ||
Communications Provider Identity Code (CUPID) 3-digit administrative codes used to identify CPs | ||
Carrier Pre-Selection (CPS) 4-digit codes for Carrier Pre-Selection services | ||
Reseller Identification (RID) 3-letter administrative codes used to identify resellers of fixed line and broadband services | ||
Mobile Network Codes (MNC) Part of the International Mobile Station Identity ("IMSI") code | ||
Partial Calling Line Identity Code (PCLI) 6-digit codes used to identify a CP and its switch number | PCLI.xlsx | PCLI.csv |