Download numbering data

06 Medi 2018

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.

Telephone numbers

Number begins with

Excel download (.xlsx format)

CSV download

01 or 02

Geographic numbers

Because of its size, this file has been divided into nine parts for easier use.

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

SABCDE19= S1 Geographic Codes Starting 19

SABCDE2= S1 Geographic Codes Starting 2

S1.csv

03

Non-Geographic Numbers: calls charged at a geographic rate

S3.xlsx

S3.csv

055 or 056

Corporate Numbers and Location Independent Electronic Communications Systems numbers

S5.xlsx

S5.csv

07

Personal Numbers, Radiopaging Service & Mobile Service numbers

S7.xlsx

S7.csv

08

Non-Geographic Numbers

S8.xlsx

S8.csv

090, 091 or 098

Non-Geographic Numbers

S9.xlsx

S9.csv

1XX

Access codes

S10.xlsx

S10 (Type A and C).csv

S10 (Type B).csv

Download all telephone number CSV files in ZIP format.

Number block allocations

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

tran0109.xlsx

tran0109.csv

Codes for indirect access, and directory enquiries (“DQ”)

tranacce.xlsx

tranacce.csv

Codes

Code type

Excel download

CSV download

Number Portability Prefix Code (NPPC)

Prefixes to use when porting numbers other than Mobile Services numbers

NPPC.xlsx

NPPC.csv

Mobile portability code (MPC)

Prefixes to use when porting Mobile Services numbers

MPC.xlsx

MPC.csv

Communications Provider Identity Code (CUPID)

3-digit administrative codes used to identify CPs

CUPID.xlsx

CUPID.csv

Carrier Pre-Selection (CPS)

4-digit codes for Carrier Pre-Selection services

CPS.xlsx

CPS.csv

Reseller Identification (RID)

3-letter administrative

codes used to identify resellers of fixed line and broadband services

RID.xlsx

RID.csv

Mobile Network Codes (MNC)

Part of the International Mobile Station Identity ("IMSI") code

MNC.xlsx

MNC.csv