The LLANFYLLIN Post Town in Montgomeryshire

The LLANFYLLIN Post Town is a Postal Region within the historic Postal County of Montgomeryshire

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

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