# SG13

3 sectors, 531 postcodes

- **Part of:** [SG](https://openpostcodes.uk/SG)
- **Local authorities:** East Hertfordshire, Welwyn Hatfield, Broxbourne

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [SG13 7](https://openpostcodes.uk/SG13%207) | 251 | East Hertfordshire |
| [SG13 8](https://openpostcodes.uk/SG13%208) | 210 | East Hertfordshire |
| [SG13 9](https://openpostcodes.uk/SG13%209) | 70 | East Hertfordshire |