01407 523 Dialing Code

Holyhead

Dialing Code 01407 523 is part of Area Code 01407, which covers Holyhead and the surrounding area.

The majority of numbers in the 01407 Area Code belong to normal landlines in Holyhead, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01407 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 523 after the area code indicate that the range of numbers was originally allocated to KCOM Group Ltd on 8 September 2022, although due to number portability, individual numbers within this range may now be allocated to other operators.

01407 area code information