01707 Area Code

Welwyn Garden City Telephone Numbers

The 01707 area code covers Welwyn Garden City and the surrounding area.

01707 numbers can also be based in the following locations near to Welwyn Garden City:

  • Cuffley
  • Hatfield (Herts.)
  • Potters Bar

Please note that an 01707 number does not necessarily come from one of these locations, although the majority do.
People or businesses based outside of this geographical location may still register 01707 numbers.
This is often done to give the impression of having a local presence.


Have you been called by a number beginning 01707?

For full numbers beginning 01707, click here to get info on who called.


Phone numbers beginning 01707 are geographic numbers.

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How to write an 01707 telephone number

The correct way to write number beginning 01707 is in the format 01707 xxxxxx

The local number (the part of the number after the dialling code) is 6 digits long


The cost of calling an 01707 number

When calling from a land line, calls to 01707 numbers can cost up to 10p per minute, dependent on the time of day, and there is usually also a call set-up fee.
When calling from mobile phones, calls to these numbers cost between 10p and 40p per minute.

Most land line operators offer inclusive call packages which allow calls free at certain times of the day, or at all times, and most mobile companies include free any-time minutes in the monthly contract payment, or a bundle of minutes for a reduced cost in the form of a top-up credit.


Codes near to the 01707 area code:

View a list of the allocated number ranges for 01707 numbers


Map of the area covered by the 01707 dialling code

Map of the 01707 area code