Oceania · DX entity · DXCC 166

Mariana Islands

Mariana Islands is a DX entity in Oceania, in CQ zone 27 and ITU zone 64. Its primary prefix is KH0.

Flag of Mariana Islands.

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Figure 1. Mariana Islands and its first-level subdivisions, with neighbouring land in grey. 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 0.006784 degrees, about 755 m; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 17.3° N 145.4° E.

Data sheet

DXCC entity code	166
Name in the ADIF standard	MARIANA IS.
Continent	Oceania
Primary prefix	KH0
CQ zone	27
ITU zone	64

Prefixes

KH0 is the primary prefix. The country files list 4 prefixes and prefix blocks for Mariana Islands.

Show all prefixes

KH0 AH0 NH0 WH0

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.