The WASHINGTON Post Town is a Postal Region within the historic Postal County of County Durham
When addressing mail to properties within this area it is important to write WASHINGTON in capital letters before the postcode.
You no longer need to write the postal county of County Durham 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 WASHINGTON is the Washington Delivery Office which is based at Windlass Lane, Washington, NE37 1BL
Delivery offices are marked on the map. Click on the map markers for more details.