Map of the 01558 Llandeilo STD dialling Area Code
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The Llandeilo 01558 Area Code (Llandeilo Dialling Code)

The 01558 area code is a 4 digit geographical dialling code (excluding the zero) used in telecommunications for the Llandeilo area.

The local telephone numbers within the 01558 are 6 digits long.

The correct format in which to write a telephone number from the Llandeilo area code is (01558) xxxxxx.

Where is the 01558 Area Code?

The Llandeilo 01558 dialling code is situated in the county of Carmarthenshire/Sir Gaerfyrddin in the Wales Region of the UK.

When do I need to use the 01558 Llandeilo dialling code?

You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 01558 Llandeilo dialling code area. If you are calling a local number within the same area code with a landline telephone you do not need to use the 01558 dialling code.

Phoning the 01558 Dialling Code from Outside of the UK

If you are calling from outside of the UK. You will need to add the code for dialling internationally. This varies country to country, followed by the UK country code (44) followed by the area code without the initial zero (1558).

RegionInternational PrefixCountry CodeArea Code
United States and Canada011441558
Europe00441558
Australia0011441558

Origins of the 01558 Llandeilo Area Code

Before the 16th April 1995 known as PhONEday which changed telephone area codes by inserting a 1 at the beginning. The area code was 0558.

the historic mnemonic code for the 01558 area was LL8. The first two characters are taken from the letters L and L in LLandeilo. On an old rotary dial telephone this was entered by dialling the numbers 5, 5 and 8.

picture showing an old rotary dial for the 01558 Llandeilo area code
An old rotary dial for the 01558 Llandeilo area code.

Map of the 01558 Llandeilo dialling Code Area

The shaded area on the map represent the estimated extent of the 01558 Llandeilo phone area code.

The blue icons on the map represent the locations of telephone exchanges serving the 01558 area. Click on an icon for more details

Map of the 01558 Llandeilo area code
Map of the 01558 Llandeilo area code and surrounding areas

Towns and Villages within the Llandeilo 01558-Llandeilo dialling Code

Llandeilo

Known Telephone Exchanges within the Llandeilo 01558-Llandeilo dialling Code

Llandeilo (SWLKB) Carmarthenshire