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Merthyr Tydfil is a post town.

The Merthyr Tydfil postcode town comprises the following postcode district(s):


The Merthyr Tydfil postcode town is within the Cardiff postcode area (also known as the CF postcode area).


The postcodes of the other post towns within the Cardiff postcode area are as follows:

A map of the Merthyr Tydfil postcode town