Guernsey
11
6 chars
11
1
Explore Guernsey's 11 provinces with our interactive map.
Locate post offices across Guernsey. Find addresses and contact information.
Developers testing checkout for Guernsey should fixture 6-character alphanumeric samples like GY1 1AA; GG validators differ from neighboring.
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
Guernsey uses alphanumeric postal codes with 6 characters (example: GY1 1AA). In our directory, these codes are organized from provinces down to villages.
Visual Structure
Developers testing checkout for Guernsey should fixture 6-character alphanumeric samples like GY1 1AA; GG validators differ from neighboring.
How Guernsey organises areas for postal codes
Browse all 11 top-level divisions
Step-by-step guide for correct address formatting
Sample Address Block
Name; Street; City, State Postcode; Country
Tips for successful mail and package delivery
Always verify the postal code
Verify your postal code is complete (6 characters) before sending. Use our lookup tool to confirm accuracy.
Include all address levels
Write the full address hierarchy for best results.
Avoid abbreviations
Write out full province names to prevent sorting errors.
Don't omit the postal code
Missing postal codes cause significant delivery delays and may result in returned mail.
What to know when sending packages
Standard domestic delivery within Guernsey typically takes 2–7 business days. International packages require complete address information including the postal code. Always include the correct 6-character code for fastest routing.
Common questions about Guernsey postal codes
Guernsey uses 6 characters in the postal code. An example is GY1 1AA. Developers testing checkout for Guernsey should fixture 6-character alphanumeric samples like GY1 1AA; GG validators differ from neighboring.
Guernsey has 11 provinces with postal code coverage. Use our browse tool to explore them.
Use our free lookup or browse by province to find the exact postal code for your location.
The postal code is written on the same line as or immediately after the province, before the country name when mailing internationally.
Guernsey
11
6 chars
11
1
Explore Guernsey's 11 provinces with our interactive map.
Locate post offices across Guernsey. Find addresses and contact information.
Developers testing checkout for Guernsey should fixture 6-character alphanumeric samples like GY1 1AA; GG validators differ from neighboring.
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
Guernsey uses alphanumeric postal codes with 6 characters (example: GY1 1AA). In our directory, these codes are organized from provinces down to villages.
Visual Structure
Developers testing checkout for Guernsey should fixture 6-character alphanumeric samples like GY1 1AA; GG validators differ from neighboring.
How Guernsey organises areas for postal codes
Browse all 11 top-level divisions
Step-by-step guide for correct address formatting
Sample Address Block
Name; Street; City, State Postcode; Country
Tips for successful mail and package delivery
Always verify the postal code
Verify your postal code is complete (6 characters) before sending. Use our lookup tool to confirm accuracy.
Include all address levels
Write the full address hierarchy for best results.
Avoid abbreviations
Write out full province names to prevent sorting errors.
Don't omit the postal code
Missing postal codes cause significant delivery delays and may result in returned mail.
What to know when sending packages
Standard domestic delivery within Guernsey typically takes 2–7 business days. International packages require complete address information including the postal code. Always include the correct 6-character code for fastest routing.
Common questions about Guernsey postal codes
Guernsey uses 6 characters in the postal code. An example is GY1 1AA. Developers testing checkout for Guernsey should fixture 6-character alphanumeric samples like GY1 1AA; GG validators differ from neighboring.
Guernsey has 11 provinces with postal code coverage. Use our browse tool to explore them.
Use our free lookup or browse by province to find the exact postal code for your location.
The postal code is written on the same line as or immediately after the province, before the country name when mailing internationally.