SS13 is a postcode district within the Basildon post town.

The full list of postcode districts within the Basildon post town is as follows:

The Basildon post town is within the Southend-on-Sea postcode area.

The full list of post towns with the Southend-on-Sea postcode area is as follows:

Villages within the SS13 postcode district:

A map of the SS13 postcode district