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BT1 1DZ
a defunct large user postcode in Northern Ireland
This postcode was deleted in November 2006.
The nearest currently active postcodes are:
Royal Avenue BT1 1DN
BT1 1DW
Donegall Street BT1 2AH
Donegall Street BT1 2GW
Little Donegall Street BT1 2JD
Royal Avenue BT1 1FH
Royal Avenue BT1 1FG
Royal Avenue BT1 1EA
BT1 1EB
Donegall Street BT1 2GU