ISO 3166-2:TL is the entry for East Timor in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.
Currently for East Timor, ISO 3166-2 codes are defined for 13 districts.
Each code consists of two parts, separated by a hyphen. The first part is TL, the ISO 3166-1 alpha-2 code of East Timor. The second part is two letters.
Before it became independent from Indonesia in 2002, East Timor was officially assigned the ISO 3166-1 alpha-2 code TP. Moreover, it was also assigned the ISO 3166-2 code ID-TT under the entry for Indonesia.
Read more about ISO 3166-2:TL: Current Codes, Changes