AL9 postcode district

This district of England has 2 different constituencies:

Welwyn Hatfield, North East Hertfordshire,

The nearest stations within this postcode district are the following:

Hatfield, Welwyn Garden City, Bayford, Welham Green, Brookman's Park, Potters Bar,

This district has the following 5 wards:

Hatfield Central, Hatfield East, Brookmans Park and Little Heath, Welham Green and Hatfield South, Hertford Rural South,