# DL4

2 sectors, 302 postcodes

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

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [DL4 1](https://openpostcodes.uk/DL4%201) | 150 | County Durham |
| [DL4 2](https://openpostcodes.uk/DL4%202) | 152 | County Durham |