Africa · DX entity · DXCC 195

Annobón Island

Annobón Island is a DX entity in Africa, in CQ zone 36 and ITU zone 52. Its primary prefix is 3C0.

Flag of Equatorial Guinea.

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Figure 1. Annobón Island and its provinces. 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. At the full detail of the source; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 1.4° S 5.6° E.

Data sheet

DXCC entity code	195
Name in the ADIF standard	ANNOBON I.
Continent	Africa
Primary prefix	3C0
CQ zone	36
ITU zone	52

Prefixes

3C0 is the primary prefix. The country files list 1 prefix for Annobón Island.

Show all prefixes

3C0

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.