Postal codes in the Faroe Islands consist of the two letter ISO 3166 code "FO", followed by three digits:
P/F Postverk Føroya
Óðinshædd 22
FO-100 Tórshavn
FAROE ISLANDS
PO Box addresses
Separate postal codes are used for PO Box addresses in the capital Tórshavn and some other towns:[1]
HN Jacobsens Bókahandil
Postboks 55
FO-110 Tórshavn
FAROE ISLANDS
Former Danish postal codes
Previously, the Faroe Islands formed part of the Danish postcode system, introduced in 1967, which also included Greenland.[2] This used the number range 3800 to 3899, and the "DK" prefix for Denmark:[3]