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BT20 5SA
a defunct large user postcode in Northern Ireland
This postcode was deleted in December 1999.
The nearest currently active postcodes are:
BT20 5YA
Grandmere Park BT20 5RF
Riverside Avenue BT20 4RX
Windmill Road BT20 5QY
Ashley Drive BT20 5RD
Broomhill Park BT20 5QZ
Riverside Road BT20 4SA
Donaghadee Road BT20 4RY
Windmill Court BT20 5RP
Donaghadee Road BT20 4PR