Oceania · DX entity · DXCC 509

Marquesas Islands

Marquesas Islands is a DX entity in Oceania, in CQ zone 31 and ITU zone 63. Its primary prefix is FO.

Flag of French Polynesia.

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Figure 1. Marquesas Islands and its first-level subdivisions. Hover for names; scroll to zoom. Boundaries: Natural Earth, Admin 0 Map Subunits and Admin 1 States and Provinces, 1:10m, version 5.1.2 (13 May 2022), public domain, retrieved 2026-10-15. https://www.naturalearthdata.com/. DX entity boundaries assembled by The DX Atlas Project from the sources named, one recipe row per DXCC entity (subunits matched, merged, split by box or carved from a parent; DXEntity-Recipe.md), 2026. Simplified for this page to 0.003032 degrees, about 338 m; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 9.3° S 139.7° W.

Data sheet

DXCC entity code	509
Name in the ADIF standard	MARQUESAS IS.
Continent	Oceania
Primary prefix	FO
CQ zone	31
ITU zone	63

Prefixes

FO is the primary prefix. The country files list 1 prefix for Marquesas Islands.

Show all prefixes

Sources: Jim Reisert AD1C, Big CTY country files, 15 September 2026. https://www.country-files.com/ (MIT licence); ADIF Development Group, ADIF Specification version 3.1.8 (2026-10-12), DXCC Entity Code enumeration. https://adif.org/; ARRL, DXCC List (current and deleted entities), January 2026. https://www.arrl.org/country-lists-prefixes; Flag: Flagpedia.net (flagcdn.com), SVG, public domain, retrieved 2026-10-10.