Dominican Republic
ISO 3166-1 country codes and official ISO 3166-2 subdivisions for Dominican Republic. Use them in forms, validation, and CountriesDB integrations.
About Dominican Republic codes
Need Dominican Republic (DO) 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 42 official ISO 3166-2 subdivisions for Dominican Republic. These are the same codes CountriesDB serves through widgets and the Backend Data API.
For production, use the CountriesDB country/subdivision widget or fetch Dominican Republic from the Data API and validate codes server-side instead of copying values from this page.
ISO codes
Official subdivisions (42)
Official ISO 3166-2 codes for Dominican Republic. Use these values in region/state selects and server-side validation, not informal or marketing region names.
| Code | Name | Type |
|---|---|---|
| DO-02 | Azua | province |
| DO-03 | Baoruco | province |
| DO-04 | Barahona | province |
| DO-33 | Cibao Nordeste | region |
| DO-34 | Cibao Noroeste | region |
| DO-35 | Cibao Norte | region |
| DO-36 | Cibao Sur | region |
| DO-05 | Dajabón | province |
| DO-01 | Distrito Nacional (Santo Domingo) | district |
| DO-06 | Duarte | province |
| DO-08 | El Seibo | province |
| DO-37 | El Valle | region |
| DO-07 | Elías Piña | province |
| DO-38 | Enriquillo | region |
| DO-09 | Espaillat | province |
| DO-30 | Hato Mayor | province |
| DO-19 | Hermanas Mirabal | province |
| DO-39 | Higuamo | region |
| DO-10 | Independencia | province |
| DO-11 | La Altagracia | province |
| DO-12 | La Romana | province |
| DO-13 | La Vega | province |
| DO-14 | María Trinidad Sánchez | province |
| DO-28 | Monseñor Nouel | province |
| DO-15 | Monte Cristi | province |
| DO-29 | Monte Plata | province |
| DO-40 | Ozama | region |
| DO-16 | Pedernales | province |
| DO-17 | Peravia | province |
| DO-18 | Puerto Plata | province |
| DO-20 | Samaná | province |
| DO-21 | San Cristóbal | province |
| DO-31 | San José de Ocoa | province |
| DO-22 | San Juan | province |
| DO-23 | San Pedro de Macorís | province |
| DO-24 | Sánchez Ramírez | province |
| DO-25 | Santiago | province |
| DO-26 | Santiago Rodríguez | province |
| DO-32 | Santo Domingo | province |
| DO-41 | Valdesia | region |
| DO-27 | Valverde | province |
| DO-42 | Yuma | region |
Frequently asked questions
- What is the ISO 3166-1 code for Dominican Republic?
- Dominican Republic uses ISO 3166-1 alpha-2 DO, alpha-3 DOM, and numeric 214. These codes show up in forms, shipping, banking, and APIs.
- How many official ISO 3166-2 subdivisions does Dominican Republic have?
- CountriesDB lists 42 official ISO 3166-2 subdivisions for Dominican Republic (states, provinces, regions, or equivalent). Use them when you validate region selects and shipping zones.
- How do I use Dominican Republic country and subdivision data in a form?
- Use the CountriesDB widget or Data API to fill country and subdivision selects for Dominican Republic, then validate submitted codes with the Validation API so alpha-2 and ISO 3166-2 values stay consistent.
Use Dominican Republic in your app
Add CountriesDB country and subdivision selects with the widget docs, or call the Backend Data API for Dominican Republic (DO) and validate submissions with the Validation API. Guides stay in sync with the same dataset your project keys already use. widget docs.