Postcode SN3
Coate +2 · Wiltshire, England
SN3 is the postcode of Coate, South Marston, Stratton St Margaret in Wiltshire, England, United Kingdom. This list covers outward codes — the first half of a UK postcode, such as M9 or BN91 — not full postcodes.
- Postcode
- SN3
- County
- Wiltshire
- Country
- England
- Country
- United Kingdom
3 places with postcode SN3
| Place | County | Location |
|---|---|---|
| Coate | Wiltshire | 51.589, -1.719 |
| South Marston | Wiltshire | 51.589, -1.719 |
| Stratton St Margaret | Wiltshire | 51.589, -1.719 |
Near Luton
The nearest major city is Luton, about 95 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode SN3?
Coate, South Marston, Stratton St Margaret.
Which county and country is SN3 in?
Wiltshire, England, United Kingdom.
What is the nearest major city to SN3?
Luton, about 95 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.