Trinidad & Tobago
ISO 3166-1 country codes and official ISO 3166-2 subdivisions for Trinidad & Tobago. Use them in forms, validation, and CountriesDB integrations.
About Trinidad & Tobago codes
Need Trinidad & Tobago (TT) for a checkout form, shipping zone, or backend validation? This page summarizes the ISO 3166-1 country codes and official subdivisions developers use with CountriesDB.
This guide lists 15 official ISO 3166-2 subdivisions for Trinidad & Tobago. These are the same codes CountriesDB serves through widgets and the Backend Data API.
For production, use the CountriesDB country/subdivision widget or fetch Trinidad & Tobago from the Data API and validate codes server-side instead of copying values from this page.
ISO codes
Official subdivisions (15)
Official ISO 3166-2 codes for Trinidad & Tobago. Use these values in region/state selects and server-side validation, not informal or marketing region names.
| Code | Name | Type |
|---|---|---|
| TT-ARI | Arima | borough |
| TT-CHA | Chaguanas | borough |
| TT-CTT | Couva-Tabaquite-Talparo | region |
| TT-DMN | Diego Martin | region |
| TT-MRC | Mayaro-Rio Claro | region |
| TT-PED | Penal-Debe | region |
| TT-PTF | Point Fortin | borough |
| TT-POS | Port of Spain | city |
| TT-PRT | Princes Town | region |
| TT-SFO | San Fernando | city |
| TT-SJL | San Juan-Laventille | region |
| TT-SGE | Sangre Grande | region |
| TT-SIP | Siparia | region |
| TT-TOB | Tobago | ward |
| TT-TUP | Tunapuna-Piarco | region |
Frequently asked questions
- What is the ISO 3166-1 code for Trinidad & Tobago?
- Trinidad & Tobago uses ISO 3166-1 alpha-2 TT, alpha-3 TTO, and numeric 780. These codes show up in forms, shipping, banking, and APIs.
- How many official ISO 3166-2 subdivisions does Trinidad & Tobago have?
- CountriesDB lists 15 official ISO 3166-2 subdivisions for Trinidad & Tobago (states, provinces, regions, or equivalent). Use them when you validate region selects and shipping zones.
- How do I use Trinidad & Tobago country and subdivision data in a form?
- Use the CountriesDB widget or Data API to fill country and subdivision selects for Trinidad & Tobago, then validate submitted codes with the Validation API so alpha-2 and ISO 3166-2 values stay consistent.
Use Trinidad & Tobago in your app
Add CountriesDB country and subdivision selects with the widget docs, or call the Backend Data API for Trinidad & Tobago (TT) and validate submissions with the Validation API. Guides stay in sync with the same dataset your project keys already use. widget docs.