01420 357 Dialing Code

Alton

Dialing Code 01420 357 is part of Area Code 01420, which covers Alton and the surrounding area.

The majority of numbers in the 01420 Area Code belong to normal landlines in Alton, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01420 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 357 after the area code indicate that the range of numbers was originally allocated to Digital Space Group Limited on 15 March 2016, although due to number portability, individual numbers within this range may now be allocated to other operators.

01420 area code information

Area Code: 01420
Location: Alton
Dialing Code: 01420 357
Provider: Digital Space Group Limited
Date range allocated: 15 March 2016
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01420 357###
International number format: +44 1420 357###
Last code change: April 1995 from 0420.

This page was last updated on 9 August 2023.