Asia · DX entity · DXCC 192

Ogasawara

Ogasawara is a DX entity in Asia, in CQ zone 27 and ITU zone 45. Its primary prefix is JD.

Flag of Japan.

loading the map…

Figure 1. Ogasawara and its metropolises, with neighbouring land in grey. 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 0.003804 degrees, about 424 m; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 26° N 141.8° E.

Data sheet

DXCC entity code	192
Name in the ADIF standard	OGASAWARA
Continent	Asia
Primary prefix	JD
CQ zone	27
ITU zone	45

Prefixes

JD is the primary prefix. The country files list 2 prefixes and prefix blocks for Ogasawara.

Show all prefixes

JD JD1

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.