# SR3

4 sectors, 931 postcodes

- **Part of:** [SR](https://openpostcodes.uk/SR)
- **Local authorities:** Sunderland

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [SR3 1](https://openpostcodes.uk/SR3%201) | 282 | Sunderland |
| [SR3 2](https://openpostcodes.uk/SR3%202) | 295 | Sunderland |
| [SR3 3](https://openpostcodes.uk/SR3%203) | 210 | Sunderland |
| [SR3 4](https://openpostcodes.uk/SR3%204) | 144 | Sunderland |