區域清單
- GY5 7AA - Castel, Guernsey, Crown Dependencies
- GY5 7AB - Castel, Guernsey, Crown Dependencies
- GY5 7AD - Castel, Guernsey, Crown Dependencies
- GY5 7AE - Castel, Guernsey, Crown Dependencies
- GY5 7AF - Castel, Guernsey, Crown Dependencies
- GY5 7AG - Castel, Guernsey, Crown Dependencies
- GY5 7AH - Castel, Guernsey, Crown Dependencies
- GY5 7AJ - Castel, Guernsey, Crown Dependencies
- GY5 7AL - Castel, Guernsey, Crown Dependencies
- GY5 7AN - Castel, Guernsey, Crown Dependencies
- GY5 7AP - Castel, Guernsey, Crown Dependencies
- GY5 7AQ - Castel, Guernsey, Crown Dependencies
- GY5 7AR - Castel, Guernsey, Crown Dependencies
- GY5 7AS - Castel, Guernsey, Crown Dependencies
- GY5 7AT - Castel, Guernsey, Crown Dependencies
- GY5 7AU - Castel, Guernsey, Crown Dependencies
- GY5 7AW - Castel, Guernsey, Crown Dependencies
- GY5 7AX - Castel, Guernsey, Crown Dependencies
- GY5 7AY - Castel, Guernsey, Crown Dependencies
- GY5 7AZ - Castel, Guernsey, Crown Dependencies