01604 358 Dialing Code


Dialing Code 01604 358 is part of Area Code 01604, which covers Northampton and the surrounding area.

The majority of numbers in the 01604 Area Code belong to normal landlines in Northampton, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01604 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 358 after the area code indicate that the range of numbers was originally allocated to Calltracks Limited on 12 January 2022, although due to number portability, individual numbers within this range may now be allocated to other operators.

01604 area code information

Area Code: 01604
Location: Northampton
Dialing Code: 01604 358
Provider: Calltracks Limited
Date range allocated: 12 January 2022
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01604 358###
International number format: +44 1604 358###
Last code change: April 1995 from 0604.