Oceania · DX entity · DXCC 490

Banaba Island (Ocean Island)

Banaba Island (Ocean Island) is a DX entity in Oceania, in CQ zone 31 and ITU zone 65. Its primary prefix is T33.

Flag of Kiribati.

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Figure 1. Banaba Island (Ocean Island). 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 0.0001015 degrees, about 11 m; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 0.9° S 169.5° E.

Data sheet

DXCC entity code	490
Name in the ADIF standard	BANABA I. (OCEAN I.)
Continent	Oceania
Primary prefix	T33
CQ zone	31
ITU zone	65

Prefixes

T33 is the primary prefix. The country files list 1 prefix for Banaba Island (Ocean Island).

Show all prefixes

T33

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.