# RM4

1 sector, 160 postcodes

- **Part of:** [RM](https://openpostcodes.uk/RM)
- **Local authorities:** Epping Forest, Havering, Brentwood

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [RM4 1](https://openpostcodes.uk/RM4%201) | 160 | Epping Forest |