ISO 3166-2:SL

ISO 3166-2:SL is the entry for Sierra Leone 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 Sierra Leone, ISO 3166-2 codes are defined for one area and four provinces. The Western Area contains the capital of the country Freetown and has special status equal to the provinces.
Each code consists of two parts, separated by a hyphen. The first part is, the ISO 3166-1 alpha-2 code of Sierra Leone. The second part is one or two letters.

Current codes

Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency.
Click on the button in the header to sort each column.

Code	Subdivision name	Subdivision category
	Eastern	province
	North [West Province, Sierra Leone\|North Western]	province
	Northern	province
	Southern	province
	Western Area	area

Changes

The following changes to the entry are listed on ISO's online catalogue, the Online Browsing Platform:

Effective date of change	Short description of change
2019-11-22	Addition of an asterisk to SL-NW; Update Code Source
2018-11-26	Addition of province SL-NW; Update List Source