01228 474 Dialing Code


Dialing Code 01228 474 is part of Area Code 01228, which covers Carlisle and the surrounding area.

The majority of numbers in the 01228 Area Code belong to normal landlines in Carlisle, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01228 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 474 after the area code indicate that the range of numbers was originally allocated to Colt Technology Services on 8 March 2022, although due to number portability, individual numbers within this range may now be allocated to other operators.

01228 area code information

Area Code: 01228
Location: Carlisle
Dialing Code: 01228 474
Provider: Colt Technology Services
Date range allocated: 8 March 2022
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01228 474###
International number format: +44 1228 474###
Last code change: April 1995 from 0228.