01535 81 Dialing Code

Keighley

Dialing Code 01535 81 is part of Area Code 01535, which covers Keighley and the surrounding area.

The majority of numbers in the 01535 Area Code belong to normal landlines in Keighley, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01535 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 81 after the area code indicate that the range of numbers was originally allocated to TTNC Limited on 11 November 2013, although due to number portability, individual numbers within this range may now be allocated to other operators.

01535 area code information

Area Code: 01535
Location: Keighley
Dialing Code: 01535 81
Provider: TTNC Limited
Date range allocated: 11 November 2013
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01535 81####
International number format: +44 1535 81####
Last code change: April 1995 from 0535.

This page was last updated on 9 August 2023.