01438 599 Dialing Code


Dialing Code 01438 599 is part of Area Code 01438, which covers Stevenage and the surrounding area.

The majority of numbers in the 01438 Area Code belong to normal landlines in Stevenage, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01438 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 599 after the area code indicate that the range of numbers was originally allocated to NFON UK Ltd on 2 February 2022, although due to number portability, individual numbers within this range may now be allocated to other operators.

01438 area code information

Area Code: 01438
Location: Stevenage
Dialing Code: 01438 599
Provider: NFON UK Ltd
Date range allocated: 2 February 2022
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01438 599###
International number format: +44 1438 599###
Last code change: April 1995 from 0438.