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BT1 4DY
a defunct postcode in Northern Ireland
This postcode was deleted in November 2006.
The nearest currently active postcodes are:
William Street South BT1 4FJ
Ann Street BT1 4EB
Ann Street BT1 4EA
Ann Street BT1 4EG
Arthur Square BT1 4FF
BT1 4FT
BT1 4ED
Ann Street BT1 4EF
William Street South BT1 4AR
Wilsons Court BT1 4DQ