Channel Islands, Guernsey – Postal Codes

List of postal codes

Place Postal code
Alderney GY9
Sark GY10

Search by Map

Find the postal code or address for any location in Channel Islands, Guernsey with our interactive map of zip codes. Simply click on the desired location on the map.

Guernsey Zipcode Format


Find Postal Code

Each region in Channel Islands has its own unique postal code, and it’s important to have the correct code to ensure timely delivery of your mail. To find the correct code for your destination region, simply click on the region in the list above. If you’re unsure which region to choose, try our address lookup tool at the top of the page or use our interactive map to find your zip code.