Postcode CO2
Birch +7 · Essex, England
CO2 is the postcode of Birch, Birch Green, Blackheath and 5 other places in Essex, England, United Kingdom. This list covers outward codes — the first half of a UK postcode, such as M9 or BN91 — not full postcodes.
- Postcode
- CO2
- County
- Essex
- Country
- England
- Country
- United Kingdom
8 places with postcode CO2
| Place | County | Location |
|---|---|---|
| Birch | Essex | 51.833, 0.817 |
| Birch Green | Essex | 51.869, 0.894 |
| Blackheath | Essex | 51.869, 0.894 |
| Hardy's Green | Essex | 51.869, 0.894 |
| Layer Breton | Essex | 51.828, 0.822 |
| Layer de la Haye | Essex | 51.846, 0.857 |
| Old Heath | Essex | 51.869, 0.894 |
| Shrub End | Essex | 51.869, 0.894 |
Near London
The nearest major city is London, about 79 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode CO2?
Birch, Birch Green, Blackheath, Hardy's Green, Layer Breton, Layer de la Haye, Old Heath, Shrub End.
Which county and country is CO2 in?
Essex, England, United Kingdom.
What is the nearest major city to CO2?
London, about 79 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.