01558 574 Dialing Code


Dialing Code 01558 574 is part of Area Code 01558, which covers Llandeilo and the surrounding area.

The majority of numbers in the 01558 Area Code belong to normal landlines in Llandeilo, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01558 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 574 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.

01558 area code information

Area Code: 01558
Location: Llandeilo
Dialing Code: 01558 574
Provider: KCOM Group Ltd
Date range allocated: 8 September 2022
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01558 574###
International number format: +44 1558 574###
Last code change: April 1995 from 0558.