Postcode SE23
Forest Hill +2 · Greater London, England
SE23 is the postcode of Forest Hill, Honor Oak Park, Horniman Museum in Greater London, England, United Kingdom. This list covers outward codes — the first half of a UK postcode, such as M9 or BN91 — not full postcodes.
- Postcode
- SE23
- County
- Greater London
- Country
- England
- Country
- United Kingdom
3 places with postcode SE23
| Place | County | Location |
|---|---|---|
| Forest Hill | Greater London | 51.446, -0.042 |
| Honor Oak Park | Greater London | 51.448, -0.041 |
| Horniman Museum | Greater London | 51.447, -0.042 |
Near London
The nearest major city is London, about 9 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode SE23?
Forest Hill, Honor Oak Park, Horniman Museum.
Which county and country is SE23 in?
Greater London, England, United Kingdom.
What is the nearest major city to SE23?
London, about 9 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.