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BT23 3DT
a defunct large user postcode in Northern Ireland
This postcode was deleted in December 1995.
The nearest currently active postcodes are:
Mark Street BT23 4DT
Shuttlefield Fold BT23 4HZ
Mary Street BT23 4DQ
BT23 4DG
Mark Mews BT23 4GY
Mark Street BT23 4WS
Marquis Street BT23 4DX
BT23 4WY
BT23 4WX
Upper North Street BT23 4WT