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DN40 9AX
a defunct large user postcode in Immingham, North East Lincolnshire
This postcode was deleted in June 2022.
The nearest currently active postcodes are:
DN40 9AW
DN40 9AT
DN40 9AY
DN40 9AS
DN41 8DP
Middleplatt Road DN40 1BL
DN40 9AU
DN40 9AG
DN40 9AJ
DN41 8SN