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BT23 3QD
a defunct postcode in Northern Ireland
This postcode was deleted in December 1995.
The nearest currently active postcodes are:
Donaghadee Road BT23 7QD
Ashbourne Park BT23 7RE
Donaghadee Road BT23 7QP
Drumhirk Avenue BT23 7QA
Donaghadee Road BT23 7QR
Newtown Park BT23 7ZQ
Ballyharry Heights BT23 7GE
BT23 7GA
Newtown Heights BT23 7YG
Beverley Close BT23 7FN