Oceania · DX entity · DXCC 157

Nauru

Nauru is a DX entity in Oceania, in CQ zone 31 and ITU zone 65. Its primary prefix is C2.

Flag of Nauru.

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Figure 1. Nauru 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. At the full detail of the source; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 0.5° S 166.9° E.

Data sheet

DXCC entity code	157
Name in the ADIF standard	NAURU
Continent	Oceania
Primary prefix	C2
CQ zone	31
ITU zone	65

Prefixes

C2 is the primary prefix. The country files list 1 prefix for Nauru.

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.