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IP4 1AN
a defunct large user postcode in Ipswich, Suffolk
This postcode was deleted in March 2019.
The nearest currently active postcodes are:
Lower Brook Street IP4 1AQ
Lower Brook Street IP4 1AL
Turret Lane IP4 1DL
Turret Lane IP4 1DT
Foundation Street IP4 1BN
Lower Brook Street IP4 1DN
Foundation Street IP4 1BQ
Star Lane IP4 1JQ
Silent Street IP1 1EN
IP4 1BX