The LEIGH-ON-SEA Post Town in Essex

The LEIGH-ON-SEA Post Town is a Postal Region within the historic Postal County of Essex

When addressing mail to properties within this area it is important to write LEIGH-ON-SEA in capital letters before the postcode.

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