Oceania · DX entity · DXCC 234

South Cook Island

South Cook Island is a DX entity in Oceania, in CQ zone 32 and ITU zones 62 and 63. Its primary prefix is E5.

Flag of Cook Islands.

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Figure 1. South 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 0.003461 degrees, about 385 m; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 20.4° S 158.6° W.

Data sheet

DXCC entity code	234
Name in the ADIF standard	SOUTH COOK IS.
Continent	Oceania
Primary prefix	E5
CQ zone	32
ITU zone	62, 63

Prefixes

E5 is the primary prefix. The country files list 1 prefix for South 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.