The CAERPHILLY 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 CAERPHILLY 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.
The Royal Mail Delivery Office for CAERPHILLY is the Caerphilly Delivery Office which is based at Unit 16-17 Trecenydd Business Park, CAERPHILLY, CF83 2XX
Delivery offices are marked on the map. Click on the map markers for more details.