01420 633 Dialing Code


Dialing Code 01420 633 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 633 after the area code indicate that the range of numbers was originally allocated to KCOM Group Ltd on 12 September 2022, 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 633
Provider: KCOM Group Ltd
Date range allocated: 12 September 2022
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01420 633###
International number format: +44 1420 633###
Last code change: April 1995 from 0420.