On Codelist

Codes that are on the GeographicVocabulary codelist.

ValueNamePublishers
A1 Global Admininistrative Unit Layers 12
A4 ISO Country (3166-1 alpha-2) 43
G1 Geonames 38
A3 Global Administrative Areas 13
G2 OpenStreetMap 25
A2 UN Second Administrative Level Boundary Project 3

Not On Codelist

Codes that are not on the GeographicVocabulary codelist.

ValuePublishers
2
4 1