Asia · DX entity · DXCC 137

South Korea

South Korea is a DX entity in Asia, in CQ zone 25 and ITU zone 44. Its primary prefix is HL.

Flag of South Korea.

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Figure 1. South Korea and its metropolitan cities, 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 0.005712 degrees, about 636 m; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 35.9° N 128.2° E.

Data sheet

DXCC entity code	137
Name in the ADIF standard	REPUBLIC OF KOREA
Continent	Asia
Primary prefix	HL
CQ zone	25
ITU zone	44

Prefixes

HL is the primary prefix. The country files list 11 prefixes and prefix blocks for South Korea.

Show all prefixes

HL 6K 6L 6M 6N D7 D8 D9 DS DT KL9K

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.