Map of the 01685 Merthyr Tydfil STD dialling Area Code
Search Geopunk

The Merthyr Tydfil 01685 Area Code (Merthyr Tydfil Dialling Code)

The 01685 area code is a 4 digit geographical dialling code (excluding the zero) used in telecommunications for the Merthyr Tydfil area.

The local telephone numbers within the 01685 are 6 digits long.

The correct format in which to write a telephone number from the Merthyr Tydfil area code is (01685) xxxxxx.

Where is the 01685 Area Code?

The Merthyr Tydfil 01685 dialling code intersects the counties of Caerphilly, Merthyr Tydfil/Merthyr Tudful and Rhondda Cynon Taf in the Wales Region of the UK.

When do I need to use the 01685 Merthyr Tydfil dialling code?

You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 01685 Merthyr Tydfil 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 01685 dialling code.

Phoning the 01685 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 (1685).

RegionInternational PrefixCountry CodeArea Code
United States and Canada011441685
Europe00441685
Australia0011441685

Origins of the 01685 Merthyr Tydfil 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 0685.

the historic mnemonic code for the 01685 area was MT5. The first two characters are taken from the letters M and T in Merthyr Tydfil. On an old rotary dial telephone this was entered by dialling the numbers 6, 8 and 5.

picture showing an old rotary dial for the 01685 Merthyr Tydfil area code
An old rotary dial for the 01685 Merthyr Tydfil area code.

Map of the 01685 Merthyr Tydfil dialling Code Area

The shaded area on the map represent the estimated extent of the 01685 Merthyr Tydfil phone area code.

The blue icons on the map represent the locations of telephone exchanges serving the 01685 area. Click on an icon for more details

Map of the 01685 Merthyr Tydfil area code
Map of the 01685 Merthyr Tydfil area code and surrounding areas

Towns and Villages within the Merthyr Tydfil 01685-Merthyr Tydfil dialling Code

Aberdare
Hirwaun
Merthyr Tydfil
Rhymney

Known Telephone Exchanges within the Merthyr Tydfil 01685-Merthyr Tydfil dialling Code

Aberdare (SWAA) Rhondda Cynon Taff
Hirwaun (SWHJL) Rhondda Cynon Taff
Merthyr Tydfil (SWMT_EX) Merthyr Tydfil
Rhymney (SWRDA) Caerphilly