01553 423 Dialing Code

Kings Lynn

Dialing Code 01553 423 is part of Area Code 01553, which covers Kings Lynn and the surrounding area.

The majority of numbers in the 01553 Area Code belong to normal landlines in Kings Lynn, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01553 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 423 after the area code indicate that the range of numbers was originally allocated to BT on 11 January 2022, although due to number portability, individual numbers within this range may now be allocated to other operators.

01553 area code information

Area Code: 01553
Location: Kings Lynn
Dialing Code: 01553 423
Provider: BT
Date range allocated: 11 January 2022
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01553 423###
International number format: +44 1553 423###
Last code change: April 1995 from 0553.