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LL55 9BT
a defunct large user postcode in Caernarfon, Gwynedd
This postcode was deleted in October 2020.
The nearest currently active postcodes are:
LL55 9DB
LL55 9DE
LL55 9DD
LL55 9DA
LL55 9AA
LL54 7ZN
LL55 1ZA
LL54 6ZH
LL55 3XW
LL55 9AJ