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SA4 4NL
a defunct large user postcode in Gorseinon, Swansea
This postcode was deleted in November 2023.
The nearest currently active postcodes are:
Alexandra Road SA4 4NW
Alexandra Road SA4 4NS
Alexandra Road SA4 4NJ
Park Lane SA4 4UF
Pontardulais Road SA4 4FE
West Street SA4 4AH
High Street SA4 4BL
Alexandra Road SA4 4NN
Argyll Avenue SA4 4UL
West Street SA4 4AA