01245 550 Dialing Code

Chelmsford

Dialing Code 01245 550 is part of Area Code 01245, which covers Chelmsford and the surrounding area.

The majority of numbers in the 01245 Area Code belong to normal landlines in Chelmsford, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01245 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 550 after the area code indicate that the range of numbers was originally allocated to Lumen Technologies UK Limited on 25 July 2011, although due to number portability, individual numbers within this range may now be allocated to other operators.

01245 area code information

Area Code: 01245
Location: Chelmsford
Dialing Code: 01245 550
Provider: Lumen Technologies UK Limited
Date range allocated: 25 July 2011
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01245 550###
International number format: +44 1245 550###
Last code change: April 1995 from 0245.

This page was last updated on 9 August 2023.