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SY21 1AZ
a defunct large user postcode in Welshpool, Powys
This postcode was deleted in August 2015.
The nearest currently active postcodes are:
SY21 0YR
SY21 9WY
SY21 0WB
SY21 1AA
SY21 7WN
SY21 7ZR
SY21 8WD
SY21 9ZQ
SY15 6WZ
SY21 7WU