Europe · DX entity · DXCC 514

Montenegro

Montenegro is a DX entity in Europe, in CQ zone 15 and ITU zone 28. Its primary prefix is 4O.

Flag of Montenegro.

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Figure 1. Montenegro and its municipalities, 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 0.00227 degrees, about 253 m; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 42.7° N 19.4° E.

Data sheet

DXCC entity code	514
Name in the ADIF standard	MONTENEGRO
Continent	Europe
Primary prefix	4O
CQ zone	15
ITU zone	28

Prefixes

4O is the primary prefix. The country files list 1 prefix for Montenegro.

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.