UK Telephone Codes

Want to know whether a telephone number is valid? Looking for information on an area code? is a convenient database of telephone codes, providers and exchanges. You can check whether a telephone number is valid, and if so which telephony operator it is allocated to. You can see which telephone companies have numbers in any given dialling code, as well as which telephone exchanges handle numbers for each geographic area code.

To begin with, just enter a telephone number or dialling code into the search box:

Or browse though the lists of dialling codes, telephone exhanges and telephone companies:

Telephone Dialling Codes

Telephone Exchanges

Telephony Providers