01554 21 Dialing Code

Llanelli

Dialing Code 01554 21 is part of Area Code 01554, which covers Llanelli and the surrounding area.

The majority of numbers in the 01554 Area Code belong to normal landlines in Llanelli, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01554 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 21 after the area code indicate that the range of numbers was originally allocated to TelNG Limited on 28 February 2007, although due to number portability, individual numbers within this range may now be allocated to other operators.

01554 area code information

Area Code: 01554
Location: Llanelli
Dialing Code: 01554 21
Provider: TelNG Limited
Date range allocated: 28 February 2007
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01554 21####
International number format: +44 1554 21####
Last code change: April 1995 from 0554.

This page was last updated on 9 August 2023.