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AL6 9HF
a defunct large user postcode in Welwyn, Welwyn Hatfield, Hertfordshire
This postcode was deleted in December 1999.
The nearest currently active postcodes are:
Riverside AL6 9NU
Fulling Mill Lane AL6 9NH
Codicote Road AL6 9LY
AL6 9GS
Forge Lane AL6 9NA
Codicote Road AL6 9NB
High Street AL6 9LZ
Ellesfield AL6 9HB
St. Marys Close AL6 9RL
Codicote Road AL6 9ND