| SS0 |
Westcliff-on-Sea |
Southend-on-Sea, Westcliff-on-Sea |
739 |
| SS1 |
Westcliff-on-Sea, Southend-on-Sea |
Southend-on-Sea, Thorpe Bay |
700 |
| SS2 |
Southend-on-Sea |
Prittlewell, Southend-on-Sea |
707 |
| SS3 |
Southend-on-Sea |
Shoeburyness |
606 |
| SS4 |
Rochford |
Rochford |
578 |
| SS5 |
Hockley |
Hockley |
540 |
| SS6 |
Rayleigh |
Rayleigh |
737 |
| SS7 |
Benfleet |
Hadleigh, South Benfleet, Thundersley |
1,121 |
| SS8 |
Canvey Island |
Canvey Island |
904 |
| SS9 |
Leigh-on-Sea |
Eastwood, Leigh-on-Sea |
1,057 |
| SS11 |
Wickford |
Wickford |
477 |
| SS12 |
Wickford |
Wickford |
403 |
| SS13 |
Basildon |
Basildon |
497 |
| SS14 |
Basildon |
Basildon |
752 |
| SS15 |
Basildon |
Laindon |
633 |
| SS16 |
Basildon |
Langdon Hills |
659 |
| SS17 |
Stanford-le-Hope |
Corringham, Stanford-le-Hope |
778 |
| SS22 |
Southend-on-Sea |
Non-geographic |
3 |
| SS99 |
Southend-on-Sea |
Non-geographic |
85 |
