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BT23 3HA
a defunct large user postcode in Northern Ireland
This postcode was deleted in December 1995.
The nearest currently active postcodes are:
Donaghadee Road BT23 7HA
Donaghadee Road BT23 7EU
Edith Helen Road BT23 8HG
Movilla Road BT23 8EY
BT23 7FE
BT23 7FF
BT23 8HJ
BT23 7FB
BT23 7FS
BT23 7FT