SR postcode area
The SR area holds 8 districts and 6,684 live postcodes; its largest place is Sunderland.
| District | Live postcodes | Largest place with its centre there |
|---|---|---|
| SR1 | 291 | Sunderland |
| SR2 | 869 | Ryhope |
| SR3 | 932 | — |
| SR4 | 956 | — |
| SR5 | 1,050 | — |
| SR6 | 736 | Whitburn |
| SR7 | 872 | Seaham |
| SR8 | 978 | Peterlee |
Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0. Postcode data is the ONS Postcode Directory, August 2026 edition; counts are live postcodes with a usable location. Northern Ireland postcodes carry a separate licence and are not included; Scotland joins when the site's Scottish coverage does.