01707 233 Dialing Code

Welwyn Garden City

Dialing Code 01707 233 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 233 after the area code indicate that the range of numbers was originally allocated to Lumen Technologies UK Limited on 26 July 2011, 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 233
Provider: Lumen Technologies UK Limited
Date range allocated: 26 July 2011
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01707 233###
International number format: +44 1707 233###
Last code change: April 1995 from 0707.

This page was last updated on 9 August 2023.