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AL7 3XQ
a defunct large user postcode in Welwyn Garden, Welwyn Hatfield, Hertfordshire
This postcode was deleted in December 1992.
The nearest currently active postcodes are:
Gainswood AL7 3XG
Holwell Road AL7 3RE
Pondcroft AL7 3XJ
Holwell Road AL7 3RQ
Peartree Lane AL7 3XL
Mill Green Road AL7 3XF
Furzefield Road AL7 3RH
Bedwell Close AL7 3XH
Holwell Road AL7 3RD
Peartree Lane AL7 3XW