01556 540 Dialing Code

Castle Douglas

Dialing Code 01556 540 is part of Area Code 01556, which covers Castle Douglas and the surrounding area.

The majority of numbers in the 01556 Area Code belong to normal landlines in Castle Douglas, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01556 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 540 after the area code indicate that the range of numbers was originally allocated to VOXYONDER NETWORK SERVICES UK LTD on 16 September 2020, although due to number portability, individual numbers within this range may now be allocated to other operators.

01556 area code information

Area Code: 01556
Location: Castle Douglas
Dialing Code: 01556 540
Provider: VOXYONDER NETWORK SERVICES UK LTD
Date range allocated: 16 September 2020
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01556 540###
International number format: +44 1556 540###
Last code change: April 1995 from 0556.

This page was last updated on 9 August 2023.