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SO23 5DN
a defunct large user postcode in Winchester, Winchester, Hampshire
This postcode was deleted in September 2021.
The nearest currently active postcodes are:
SO23 3QL
SO23 3RY
SO23 3RZ
SO23 5BP
SO23 3RW
SO23 3RU
SO23 5DF
SO23 5BX
SO23 5AT
SO23 5AR