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Guernsey address format & examples

How to write a Guernsey address

Guernsey address example

Guernsey address examples

Commercial address example

Des Loumaies Collings Road St. Peter Port

Smarty address validation tools

Smarty® has a suite of address validation tools that can format, standardize, and validate Guernsey addresses, plus addresses in 240+ other countries and territories worldwide. Validate your Guernsey address with our tools.
Use the Single Address Verification Tool to verify and format 1 address at a time, the Bulk Address Validation Tool to verify and format a list addresses simultaneously, or use the International Street Address API to integrate address validation and formatting programmatically into your software systems and workflows.

Postal information

Guernsey's national postal system, "Guernsey Post ," was established in 1794. As of recent data, Guernsey Post services approximately 55 addresses, reflecting its extensive reach throughout Guernsey. The organization manages a substantial network, indicative of its role as a major postal service provider in the region.
Administrative area types and count
10 parishes
Administration area names and abbreviations
Term to describe postal codes
postal code
Postal code in language
postal code
Postal code format
GY9 9AA
Postal service provider and website

Country information

Country/territory name
Guernsey
ISO3
GGY
ISO 3166-1 alpha-2 country code
GG
ISO 3166-1 alpha-3 country code
GGY
ISO 3166-1 numeric country code
831
Endonym
Guernsey
Total land area
78 KM²
Capital
St. Peter Port
Other major cities
-

Population information

Total population
64000 (2023)
Urban / rural distribution
32%/68%
Urban population
20480
Rural population
43520
Official language
English, French
All languages spoken
English
Most commonly used postal language
English
CC-BY 4.0 from worldbank.org
Now that you've seen our Guernsey address examples and have become a wizard at Guernsey address formats, why not expand your expertise even further? Explore our detailed guides for related countries and territories to see how their address formats and examples vary.
Visit the global address formats page or Europe address formats page for more information on all the other countries and territories we cover. You can also read or read our article about international address verification to learn more.
*Data updated as of March 21, 2025

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