Authority
ITU
231
MID
231
Flag state
Faroe Islands
Region
Flag region: Europe
ISO code
FO
About this code
231 is the Maritime Identification Digits assigned to Faroe Islands. The first three digits of a ship's nine-digit MMSI number give its flag state, so an AIS track beginning 231 belongs to a vessel registered in Faroe Islands. The leading digit marks the world region.