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Welwyn Garden City is a post town.

The Welwyn Garden City postcode town comprises the following postcode district(s):


The Welwyn Garden City postcode town is within the St Albans postcode area (also known as the AL postcode area).


The postcodes of the other post towns within the St Albans postcode area are as follows:

Villages within the Welwyn Garden City post town:

A map of the Welwyn Garden City postcode town