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.
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.
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.
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).
|Region||International Prefix||Country Code||Area Code|
|United States and Canada||011||44||1685|
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.
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
|Aberdare (SWAA) Rhondda Cynon Taff|
|Hirwaun (SWHJL) Rhondda Cynon Taff|
|Merthyr Tydfil (SWMT_EX) Merthyr Tydfil|
|Rhymney (SWRDA) Caerphilly|