Postcode SW1X
London · Greater London, England
SW1X is the postcode of London 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
- SW1X
- County
- Greater London
- Country
- England
- Country
- United Kingdom
Place with postcode SW1X
| Place | County | Location |
|---|---|---|
| London | Greater London | 51.497, -0.155 |
Near London
The nearest major city is London, about 2 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode SW1X?
London.
Which county and country is SW1X in?
Greater London, England, United Kingdom.
What is the nearest major city to SW1X?
London, about 2 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.