Each code consists of two parts, separated by a hyphen. The first part is TT, the ISO 3166-1 alpha-2 code of Trinidad and Tobago. The second part is three letters.
Current codes
Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency (ISO 3166/MA).
Click on the button in the header to sort each column.
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 (en)
2020-11-24
Change of category name from municipality to borough for TT-ARI, TT-CHA, TT-PTF; Change of subdivision category name from municipality to city for TT-POS, TT-SFO; Update List Source
2015-11-27
Deletion of regions TT-ETO, TT-RCM, TT-WTO; addition of region TT-MRC; addition of one ward TT-TOB; update List Source