Oceania · DX entity · DXCC 025 · deleted

British North Borneo

British North Borneo was a DX entity in Oceania, in CQ zone 28 and ITU zone 54, counting for contacts from the start of DXCC until 15 September 1963.

A deleted entity. Contacts made from 16 September 1963 no longer count for British North Borneo.

The map of this entity arrives with the DXEntity boundary layer.

Figure 1. British North Borneo. The boundary is to come. Boundaries: not yet published (GIS-Architecture, the DXEntity layer).

Data sheet

DXCC entity code	025
Name in the ADIF standard	BRITISH NORTH BORNEO
Continent	Oceania
Primary prefix	none listed
CQ zone	28
ITU zone	54
Counts for contacts from	the start of DXCC
No longer counts from	16 September 1963
Remarks	Continent, zones and validity from the ARRL DXCC List (deleted entities): (VS2,9M2; VS4; ZC5) Only contacts made September 15, 1963, and before, count for this entity. Contacts made September 16, 1963, and after, count as West Malaysia (9M2,4) or East Malaysia (9M6,8).

Sources: 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