The MOUNTAIN ASH Post Town in Glamorgan

The MOUNTAIN ASH Post Town is a Postal Region within the historic Postal County of Glamorgan

When addressing mail to properties within this area it is important to write MOUNTAIN ASH in capital letters before the postcode.

You no longer need to write the postal county of Glamorgan when writing an address but many still do because it's fun and avoids confusion when a postal town shares the same name.