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Address format guide

Guernsey address format

Guernsey addresses normally include street address, city or locality, and postal code. For international mail, put GUERNSEY on the final line.

Format an address for Guernsey Address format guides

Quick answer

How to write an address for Guernsey

To write an address for Guernsey, use this order: addressee, organisation, street address, city or locality, postal code, and country.

  1. AddresseeRecipient name, if you are writing a postal address.
  2. OrganisationCompany, department, hotel, or building name when useful.
  3. Street addressStreet address, building number, unit, floor, or delivery line.
  4. City or localityCity, town, locality, or postal town.
  5. Postal codePostal code, such as GY1 1AA or GY2 2BT.
  6. CountryUse GUERNSEY for international mail.
Example address format 
1 Example Street
Example City
GUERNSEY
GY1 1AA
GUERNSEY
GG ISO country code
Examples: GY1 1AA, GY2 2BT Postal code format
GGY International country code

Free formatter

Format an address for Guernsey.

Paste one messy address and arrange it into the Guernsey line order.

Clean CSV addresses

Formatted output

Guernsey address lines.

Use the formatter to create address lines.

Examples

Guernsey address examples.

These are formatting examples for layout and line order. They are not delivery-point verification results.

Basic format example

1 Example Street
Example City
GUERNSEY
GY1 1AA
GUERNSEY

Address with recipient

Alex Customer
1 Example Street
Example City
GUERNSEY
GY1 1AA
GUERNSEY

Business example

Alex Customer
Example Trading Ltd
1 Example Street
Example City
GUERNSEY
GY2 2BT
GUERNSEY

Postal codes

Guernsey postal code format.

Guernsey postal code examples include GY1 1AA, GY2 2BT.

Common mistakes

What to check before validation.

  • Using a postal code that does not match examples such as GY1 1AA.
  • Mixing address parts into one unstructured CSV field.
  • Leaving off the country line for international shipping.
  • Treating formatting as proof that the address is real or deliverable.

Address verification

Need to verify the delivery address?

Formatting makes an address easier to read. Naurt can geocode and validate addresses before shipping, fulfilment, or delivery checks.

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Sources

Address format data.

Reviewed 2026-06-17. Country formats can change, so verify critical shipments with local postal or delivery data.

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