Asia · DX entity · DXCC 247

Spratly Islands

Spratly Islands is a DX entity in Asia, in CQ zone 26 and ITU zone 50. Its primary prefix is 1S.

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Figure 1. Spratly Islands 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 0.002053 degrees, about 229 m; exported 30 October 2026. Projection: Lambert azimuthal equal-area centred on 10.4° N 114.9° E.

Data sheet

DXCC entity code	247
Name in the ADIF standard	SPRATLY IS.
Continent	Asia
Primary prefix	1S
CQ zone	26
ITU zone	50

Prefixes

1S is the primary prefix. The country files list 11 prefixes and prefix blocks for Spratly Islands.

Show all prefixes

1S 9M0 BM9S BN9S BO9S BP9S BQ9S BU9S BV9S BW9S BX9S

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