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PO1 9NQ
a defunct large user postcode in Portsmouth, Portsmouth
This postcode was deleted in June 2017.
The nearest currently active postcodes are:
PO1 9JH
PO1 9PU
PO1 9NR
PO1 9PY
PO1 9QA
Slindon Street PO1 1AA
Slindon Street PO1 1AB
PO1 1EG
PO1 1ER
PO1 1ZP