SR - Sunderland
The postal area SR (Sunderland) comprises of the following post towns; these towns should be written in capital letters when used in addresses.
Postal Districts within SR - Sunderland
| Country | Post Town | Postal District |
| England | Sunderland | SR1 SR2 SR3 SR4 SR5 SR6 |
| Seaham | SR7 | |
| Peterlee | SR8 |
