Postcode GY1
St Peter Port · Guernsey Channel Islands, Other areas
GY1 is the postcode of St Peter Port in Guernsey Channel Islands, Other areas, United Kingdom. This list covers outward codes — the first half of a UK postcode, such as M9 or BN91 — not full postcodes.
- Postcode
- GY1
- County
- Guernsey Channel Islands
- Country
- Other areas
- Country
- United Kingdom
Place with postcode GY1
| Place | County | Location |
|---|---|---|
| St Peter Port | Guernsey Channel Islands | 49.460, -2.535 |
Nearby postcodes
Frequently asked questions
Which places use postcode GY1?
St Peter Port.
Which county and country is GY1 in?
Guernsey Channel Islands, Other areas, United Kingdom.
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.