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GY1 3YF
a defunct large user postcode in Guernsey
This postcode was deleted in August 2023.
The nearest currently active postcodes are:
GY1 3BA
GY1 4PB
GY1 3JS
GY1 6BJ
GY1 3NZ
GY1 4DE
GY1 3YW
GY1 3TR
GY1 3WX
GY1 3QS