Postcodes in Southend-on-Sea page 57 Unitary Authority

This page provides postcode data for the Southend-on-Sea UK Unitary Authority.

In 2021, Southend-on-Sea contained approximately 78,300 households with a population of about 180,700

In 2011, Southend-on-Sea contained approximately 74,728 households with a population of about 173,767

Wards in this Unitary Authority
Parishes in this Unitary Authority
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
SS99 1BH Victoria 51.542234 0.709813 588008 186073 TQ880860
SS99 1BJ Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 1BL Victoria 51.542234 0.709813 588008 186073 TQ880860
SS99 1BQ St Laurence 51.556146 0.705158 587628 187608 TQ876876
SS99 1BS St Laurence 51.556146 0.705158 587628 187608 TQ876876
SS99 1DA St Laurence 51.556146 0.705158 587628 187608 TQ876876
SS99 1DB Victoria 51.54341 0.708325 587900 186200 TQ878861
SS99 1DY St Laurence 51.556146 0.705158 587628 187608 TQ876876
SS99 1EA St Laurence 51.556146 0.705158 587628 187608 TQ876876
SS99 1EE Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 1EH St Laurence 51.556146 0.705158 587628 187608 TQ876876
SS99 1GG St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 1HH St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 1JJ St Laurence 51.556949 0.706244 587700 187700 TQ876877
SS99 1LB Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 1LL St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 1NN Kursaal 51.531166 0.729429 589414 184893 TQ894848
SS99 1PP Kursaal 51.532266 0.723525 589000 185000 TQ889850
SS99 1QQ St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 1TT Victoria 51.543377 0.705871 587730 186190 TQ877861
SS99 1UU Victoria 51.540437 0.712836 588225 185881 TQ882858
SS99 1WF Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 1WJ Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 1WL Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 1XX Kursaal 51.531166 0.729429 589414 184893 TQ894848
SS99 1YY Kursaal 51.531166 0.729429 589414 184893 TQ894848
SS99 1ZZ St Laurence 51.557131 0.706904 587745 187722 TQ877877
SS99 2AB St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 2BB St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 2EE Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 2JJ St Laurence 51.556949 0.706244 587700 187700 TQ876877
SS99 2LL St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 2PP Kursaal 51.539846 0.723185 588945 185842 TQ889858
SS99 2QA St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 2QQ St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 2QR St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 2UU Victoria 51.540437 0.712836 588225 185881 TQ882858
SS99 2WQ Victoria 51.540437 0.712836 588225 185881 TQ882858
SS99 2WZ Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 2YY Kursaal 51.531166 0.729429 589414 184893 TQ894848
SS99 3AF St Laurence 51.556949 0.706244 587700 187700 TQ876877
SS99 3AG St Laurence 51.556949 0.706244 587700 187700 TQ876877
SS99 3BB St Laurence 51.556949 0.706244 587700 187700 TQ876877
SS99 3EE St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 3LL St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 3LN St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 3PP Kursaal 51.539846 0.723185 588945 185842 TQ889858
SS99 3UU Victoria 51.540437 0.712836 588225 185881 TQ882858
SS99 3YY Kursaal 51.531166 0.729429 589414 184893 TQ894848
SS99 4BB Prittlewell 51.55156 0.705924 587700 187100 TQ876871
SS99 4EE Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 4JJ St Laurence 51.556949 0.706244 587700 187700 TQ876877
SS99 4LL St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 4PP St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 4UU Victoria 51.540437 0.712836 588225 185881 TQ882858
SS99 4YY Kursaal 51.531166 0.729429 589414 184893 TQ894848
SS99 5AA St Laurence 51.555781 0.706175 587700 187570 TQ877875
SS99 5AB St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 5AD St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 5AE St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 5AF Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 5AG Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 5AH Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 5AJ Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 5AL Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 5AN Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 5AP Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 5BB St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 5PP St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 5UU Victoria 51.540437 0.712836 588225 185881 TQ882858
SS99 5YY Kursaal 51.531166 0.729429 589414 184893 TQ894848
SS99 6AA St Laurence 51.555781 0.706175 587700 187570 TQ877875
SS99 6AB Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AD Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AE Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AF Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AG Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AH Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AJ Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AL Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AN Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AP Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AQ Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AR Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AS Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AT St Laurence 51.556971 0.706823 587740 187704 TQ877877
SS99 6AU Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AW Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AX Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6AY St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 6AZ Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6BA Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6BB St Laurence 51.55698 0.706823 587740 187705 TQ877877
SS99 6BD Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6BE Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6BF Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6BG Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6BH Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6BJ Victoria 51.543523 0.71237 588180 186223 TQ881862
SS99 6BL Victoria 51.543523 0.71237 588180 186223 TQ881862
Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license