# TS21

4 sectors, 545 postcodes

- **Part of:** [TS](https://openpostcodes.uk/TS)
- **Local authorities:** County Durham, Stockton-on-Tees, Darlington

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [TS21 1](https://openpostcodes.uk/TS21%201) | 202 | Stockton-on-Tees |
| [TS21 2](https://openpostcodes.uk/TS21%202) | 111 | County Durham |
| [TS21 3](https://openpostcodes.uk/TS21%203) | 150 | County Durham |
| [TS21 4](https://openpostcodes.uk/TS21%204) | 82 | County Durham |