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SW1Y 4AX
a defunct large user postcode in City of Westminster, Westminster
This postcode was deleted in December 1992.
The nearest currently active postcodes are:
Charles Ii Street SW1Y 4AE
St. James'S Square SW1Y 4JS
Charles Ii Street SW1Y 4AA
St. James'S Square SW1Y 4PD
Waterloo Place SW1Y 4AU
Regent Street SW1Y 4NS
Regent Street SW1Y 4XT
Regent Street SW1Y 4NW
Waterloo Place SW1Y 4AR
St. James'S Square SW1Y 4JR