01707 535 Dialing Code

Welwyn Garden City

Dialing Code 01707 535 is part of Area Code 01707, which covers Welwyn Garden City and the surrounding area.

The majority of numbers in the 01707 Area Code belong to normal landlines in Welwyn Garden City, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01707 Area Code and they are allocated blocks of numbers, which can be identified by the digits following the Area Code. In this case, the digits 535 after the area code indicate that the range of numbers was originally allocated to Gci Network Solutions Limited on 25 April 2017, although due to number portability, individual numbers within this range may now be allocated to other operators.

01707 area code information

Area Code: 01707
Location: Welwyn Garden City
Dialing Code: 01707 535
Provider: Gci Network Solutions Limited
Date range allocated: 25 April 2017
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01707 535###
International number format: +44 1707 535###
Last code change: April 1995 from 0707.

This page was last updated on 23 August 2023.