Dominican Republic Phone Numbers: Format, Area Code & Validation Guide
Explore the Dominican Republic's (+1) phone number format: a technical guide covering area codes (809, 829, 849), landline/mobile patterns, and validation. Includes regex for formats like +1 800-XXX-XXXX (toll-free) and dialing procedures, crucial for developers needing E.164 compliance.
Phone number standards3 min read
Frequently asked questions
Dominican Republic phone numbers follow a 10-digit format, including the +1 country code. The structure is +1 NXX-XXX-XXXX, where N is any digit from 2-9, and X is any digit from 0-9. This format applies to landlines, mobile, and toll-free numbers, with some variations in prefixes.
To call a landline in the Dominican Republic, dial 1 + NXX-XXX-XXXX, where NXX is one of the area codes (809, 829, or 849) and XXX-XXXX is the 7-digit subscriber number. This applies to calls from within the Dominican Republic.
Dial 011 + 1 + NXX-XXX-XXXX, where 011 is the international prefix, 1 is the Dominican Republic country code, and NXX-XXX-XXXX is the 10-digit mobile number. Remember that NXX represents the area code, either 809, 829, or 849.
The country code for the Dominican Republic is +1, which it shares with other countries in the North American Numbering Plan (NANP). Therefore, to call the Dominican Republic from another country, you must also dial the +1 along with the specific phone number.
The area codes for the Dominican Republic are 809, 829, and 849. These area codes are used for both landline and mobile numbers, and are part of the 10-digit phone number format (+1 NXX-XXX-XXXX).
You can validate Dominican Republic phone numbers using regular expressions. For example, the general format regex is ^+1[2-9]\d{2}[2-9]\d{6}$. Specific regex patterns exist for geographic, mobile, toll-free, and premium-rate numbers as well.
Mobile number portability (MNP) allows subscribers in the Dominican Republic to switch providers while keeping their existing mobile number. This promotes competition among telecom operators and gives consumers more choices.
Toll-free numbers in the Dominican Republic use prefixes like 800, 833, 844, 855, 866, 877, and 888, followed by a 7-digit subscriber number. The complete format is +1 XXX-XXX-XXXX, similar to other Dominican numbers but with specific prefixes.
Major telecom operators in the Dominican Republic include Claro Dominicana, Altice Dominicana, and Viva. All three operators utilize the area codes 809, 829, and 849 for their mobile and landline services.
The Instituto Dominicano de las Telecomunicaciones (INDOTEL) regulates and manages the numbering plan in the Dominican Republic, ensuring compliance with international standards. They oversee number allocation, technical restrictions, and other aspects of the telecommunications sector.
Dominican Republic phone numbers are 10 digits long because they adhere to the North American Numbering Plan (NANP) format. This includes the +1 country code, a 3-digit area code, and a 7-digit subscriber number.
Premium rate numbers in the Dominican Republic use the 900 prefix and are typically used for services that charge a higher fee. These numbers follow the same 10-digit format as other Dominican phone numbers (+1 900-XXX-XXXX).
The Dominican Republic observes Atlantic Standard Time (UTC-4). Consider this time difference when scheduling international calls or sending messages to ensure they are received at the appropriate local time.
One API. Every channel.
Contact Sales
Quick Reference
Overview
Discover the detailed telephone numbering plan of the Dominican Republic. This guide explains phone number structures, dialing procedures, and technical considerations crucial for telecom professionals, developers, and businesses. As a part of the North American Numbering Plan (NANP), the Dominican Republic shares the country code +1 with other NANP countries but has unique number ranges and formats.
Number Formats
General Number Structure
The Dominican Republic employs a fixed-length 10-digit phone number format, including the country code:
+1 NXX-XXX-XXXXGeographic (Landline) Numbers
Geographic numbers are structured as follows:
+1 NXX-XXX-XXXXExample:
+1 809-555-1234+1 829-678-9012Mobile Numbers
Mobile numbers follow the same format as landlines but are typically associated with specific prefixes:
+1 NXX-XXX-XXXXExample:
+1 849-555-6789+1 829-123-4567Toll-Free Numbers
Toll-free numbers are designated by specific prefixes:
+1 800-XXX-XXXXExample:
+1 800-123-4567+1 888-987-6543Premium Rate Numbers
Premium rate services use the prefix 900:
+1 900-XXX-XXXXExample:
+1 900-234-5678Numbering Scheme Explanation with Regular Expressions
To validate phone numbers in the Dominican Republic, use these regular expressions:
^\+1[2-9]\d{2}[2-9]\d{6}$^\+1(809|829|849)[2-9]\d{6}$^\+1(809|829|849)[2-9]\d{6}$^\+1(800|833|844|855|866|877|888)\d{7}$^\+1(900)\d{7}$Dialing Procedures
Domestic Calls
International Calls
Number Portability
The Dominican Republic supports mobile number portability (MNP), allowing subscribers to keep their mobile numbers when switching providers. This fosters competition and offers consumers more flexibility.
Major Telecom Operators and Number Ranges
Number Allocation and Management
The Instituto Dominicano de las Telecomunicaciones (INDOTEL) regulates and manages the numbering plan in the Dominican Republic, ensuring compliance with ITU-T recommendations.
Technical Restrictions and Special Cases
Technical Considerations for Developers
When integrating Dominican Republic phone numbers into systems or applications, consider: