Oceania · DX entity · DXCC 191

North Cook Island

North Cook Island is a DX entity in Oceania, in CQ zone 32 and ITU zone 62. Its primary prefix is E5.

Flag of Cook Islands.

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Figure 1. North Cook Island 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 0.005109 degrees, about 569 m; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 9.9° S 161.9° W.

Data sheet

DXCC entity code	191
Name in the ADIF standard	NORTH COOK IS.
Continent	Oceania
Primary prefix	E5
CQ zone	32
ITU zone	62

Prefixes

E5 is the primary prefix. The country files list 1 prefix for North Cook Island.

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.