SS99 is a postcode district within the Southend-on-Sea post town.

The full list of postcode districts within the Southend-on-Sea post town is as follows:

The Southend-on-Sea 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:

A map of the SS99 postcode district