Oceania · DX entity · DXCC 035

Christmas Island

Christmas Island is a DX entity in Oceania, in CQ zone 29 and ITU zone 54. Its primary prefix is VK9X.

Flag of Christmas Island.

loading the map…

Figure 1. Christmas 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 0.0004554 degrees, about 51 m; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 10.5° S 105.6° E.

Data sheet

DXCC entity code	035
Name in the ADIF standard	CHRISTMAS I.
Continent	Oceania
Primary prefix	VK9X
CQ zone	29
ITU zone	54

Prefixes

VK9X is the primary prefix. The country files list 6 prefixes and prefix blocks for Christmas Island.

Show all prefixes

VK9X AX9X VI9X VK9FX VK9KX VZ9X

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.