The DN40 3 postcode sector is within the county of Lincolnshire in the Yorkshire and the Humber region of England.
DN40 3 is a postcode sector within the DN40 postcode district which is within the DN Doncaster postcode area.
The Royal Mail delivery office for the DN40 3 postal sector is the Immingham Delivery Office.
The area of the DN40 3 postcode sector is 15.87 square miles which is 41.11 square kilometres or 10,158.12 square acres.
The DN40 3 postcode sector is crossed by a railway.
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We found 2 hotels and guest houses within the DN40 postcode area