The NN3 6 postcode sector is within the county of Northamptonshire in the East Midlands region of England..
NN3 6 is a postcode sector within the NN3 postcode district which is within the NN Northampton postcode area.
The Royal Mail delivery office for the NN3 6 postal sector is the Northampton East Nn3b Delivery Office andNorthampton East Nn3a Delivery Office.
The area of the NN3 6 postcode sector is 1.56 square miles which is 4.04 square kilometres or 997.26 square acres.
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