ISO 3166-2:EC

ISO 3166-2:EC is the entry for Ecuador in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization, which defines codes for the names of the principal subdivisions of all countries coded in ISO 3166-1.
Currently for Ecuador, ISO 3166-2 codes are defined for 24 provinces.
Each code consists of two parts, separated by a hyphen. The first part is, the ISO 3166-1 alpha-2 code of Ecuador. The second part is one or two letters, currently used in vehicle registration plates, with a few exceptions.

Current codes

Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency.
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The following changes to the entry have been announced in newsletters by the ISO 3166/MA since the first publication of ISO 3166-2 in 1998:

Newsletter	Date issued	Description of change in newsletter	Code/Subdivision change
		Addition of one province	Subdivisions added: Orellana
		Update of the administrative structure and of the list source	Subdivisions added: Santa Elena Santo [Domingo de los Tsáchilas Province\|Santo Domingo de los Tsáchilas]