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LL55 9AA
a defunct large user postcode in Caernarfon, Gwynedd
This postcode was deleted in October 2017.
The nearest currently active postcodes are:
LL55 9BT
LL55 9BX
LL55 9BP
LL55 9BH
LL55 9AQ
Cibyn Industrial Estate LL55 2BU
LL55 9BY
LL55 9BZ
LL55 3XW
LL55 9AJ