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LL55 9BW
a defunct large user postcode in Caernarfon, Gwynedd
This postcode was deleted in June 2017.
The nearest currently active postcodes are:
LL55 9DE
LL55 9DD
LL55 9DA
LL55 9DB
LL54 6ZH
LL55 9BE
LL54 7ZN
LL55 3XW
LL55 1ZA
LL55 9AJ