Postal codes in Greenland consist of the two letter ISO 3166 code "GL", followed by four digits, the first two of which are "39".Nuuk Sømandshjem
Nuuk Sømandshjem Postbox 1021 GL-3900 Nuuk GREENLAND
They were first introduced in 1967 as part of the Danish postcode system, which also originally included the Faroe Islands.Tidsskrift for industri, 1967, page 382
Previously, the capital of Greenland, Nuuk, was known by the Danish language name Godthåb, and the "DK" prefix for Denmark was used with the postcode in addresses.POAC 85: The 8th International Conference on Port and Ocean Engineering Under Arctic Conditions : Proceedings, Narssarssuaq, Greenland, September 7-14, 1985, Volume 1, Danish Hydraulic Institute, 1985, page 11
Municipality of Godthåb PO Box 1005 DK-3900 Godthåb GREENLAND
In addition, "DK-3900 Nuuk" is also used.This is Greenland '99: The Official Directory: Country, Products, Services, Per Danker, Royal Danish Ministry of Foreign Affairs, 1999, page 173
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