01638 428 Dialing Code


Dialing Code 01638 428 is part of Area Code 01638, which covers Newmarket and the surrounding area.

The majority of numbers in the 01638 Area Code belong to normal landlines in Newmarket, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01638 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 428 after the area code indicate that the range of numbers was originally allocated to TalkTalk Communications Limited on 20 January 2012, although due to number portability, individual numbers within this range may now be allocated to other operators.

01638 area code information

Area Code: 01638
Location: Newmarket
Dialing Code: 01638 428
Provider: TalkTalk Communications Limited
Date range allocated: 20 January 2012
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01638 428###
International number format: +44 1638 428###
Last code change: April 1995 from 0638.