What is the country code for Dominica (DM)?

The country code for Dominica (DM) is +1 767.

How are mobile numbers structured in Dominica?

Mobile numbers in Dominica follow the format +1 767 [2-9]XX XXXX, where '767' is the area code, and '[2-9]XX XXXX' is the 7-digit subscriber number. For example, a mobile number might look like +1 767 275 1234.

What are the dialing procedures for international calls to Dominica?

To dial an international call to Dominica, you should dial your country's international access code (e.g., 011 in the U.S.), followed by +1 767 and the 7-digit local number. For example, 011 + 1 + 767 + 255 1234.

Which telecom operators manage phone numbers in Dominica, and what are their number ranges?

The major telecom operators in Dominica are Flow (Liberty Global) and Digicel Dominica. Flow manages numbers in the ranges 767-2XX-XXXX and 767-3XX-XXXX, while Digicel Dominica manages numbers in the ranges 767-4XX-XXXX and 767-5XX-XXXX.

What is the country code for Dominica?

The country code for Dominica is +1 767.

How do I dial a landline number within Dominica?

To dial a landline number within Dominica, simply dial the 7-digit number directly.

What is the international prefix for calling from Dominica?

The international prefix for calling from Dominica is 011.

Can I keep my phone number if I switch service providers in Dominica?

Yes, mobile number portability is available in Dominica, allowing you to retain your number when switching providers.

What is the purpose of the Dominica Telecommunications Authority?

The Dominica Telecommunications Authority regulates and manages the telephone numbering plan and ensures fair number allocation among operators.

What format do mobile numbers in Dominica follow?

Mobile numbers in Dominica follow the format 767-[2-9]XX-XXXX.

How should I format phone numbers for international use from Dominica?

Phone numbers should be formatted as +1 767 NXX XXXX for international use.

Which operators are the major telecom providers in Dominica?

The major telecom operators in Dominica are Flow (Liberty Global) and Digicel Dominica.

What is the time zone of Dominica?

Dominica operates in the Atlantic Standard Time (AST) zone, which is UTC-4.

What is the dialing procedure for calling internationally from Dominica?

To call internationally from Dominica, dial 011 followed by the country code, area code, and local number.

What regex pattern can be used to validate fixed-line numbers in Dominica?

The regex pattern for validating fixed-line numbers in Dominica is ^7672[0-9]{6}$.

Are there toll-free numbers in Dominica?

Yes, toll-free numbers in Dominica follow the format 800-NXX-XXXX.

How are phone numbers structured in Dominica?

Phone numbers in Dominica are structured according to the North American Numbering Plan, with a country code, area code, central office code, and subscriber number.

What is the national prefix for dialing within Dominica?

The national prefix for dialing within Dominica is 1.

How do I dial a mobile number from a landline in Dominica?

To dial a mobile number from a landline in Dominica, you simply dial the 7-digit mobile number directly.

What is the format for premium rate numbers in Dominica?

Premium rate numbers in Dominica follow the format 900-NXX-XXXX.

Can I use regex to validate toll-free numbers in Dominica?

Yes, the regex pattern to validate toll-free numbers in Dominica is ^800[2-9][0-9]{6}$.

What should developers consider when handling phone numbers in Dominica?

Developers should use regex for validation, ensure numbers are in international format, support number portability, and consider time zone differences.

Where can I find the latest information on telecommunications regulations in Dominica?

The latest information can be found on the official website of the Dominica Telecommunications Authority.

What number ranges are used by Flow in Dominica?

Flow uses the number ranges 767-2XX-XXXX and 767-3XX-XXXX in Dominica.

Understanding Phone Numbers in Dominica

Q: Is mobile number portability available in Dominica?

Yes, mobile number portability (MNP) is available in Dominica, allowing subscribers to retain their phone numbers when switching between service providers, applicable for both mobile and fixed-line numbers.

Quick Reference Guide

Country: Dominica
Country Code: +1 767
International Prefix: 011
National Prefix: 1

Overview

This comprehensive guide offers a detailed look into Dominica's telephone numbering plan. It covers the structure of phone numbers, dialing procedures, and regulatory information. Perfect for telecom professionals and developers seeking precise, data-driven insights into Dominica's phone systems.

Number Formats

General Number Structure

Dominica adheres to the North American Numbering Plan (NANP), similar to the United States and Canada. The typical phone number format includes:

Country Code: +1
NPA (Numbering Plan Area) Code: 767 (Dominica's unique area code)
NXX (Central Office Code): 3 digits
Subscriber Number: 4 digits

Example: +1 767 NXX XXXX

Detailed Number Formats

Type	Format	Example	Regex
Fixed-Line	767-2XX-XXXX	767-255-1234	`^7672[0-9]{6}$`
Mobile	767-[2-9]XX-XXXX	767-275-1234	`^767[2-9][0-9]{6}$`
Toll-Free	800-NXX-XXXX	800-234-5678	`^800[2-9][0-9]{6}$`
Premium Rate	900-NXX-XXXX	900-234-5678	`^900[2-9][0-9]{6}$`

Regular Expressions for Validation

For developers and system administrators, the following regex patterns can be used to validate Dominica phone numbers:

Fixed-Line Numbers: ^7672[0-9]{6}$
Mobile Numbers: ^767[2-9][0-9]{6}$
Toll-Free Numbers: ^800[2-9][0-9]{6}$
Premium Rate Numbers: ^900[2-9][0-9]{6}$

Dialing Procedures

Domestic Calls

Landline to Landline: Dial the 7-digit number directly.
Landline to Mobile: Dial the 7-digit number directly.
Mobile to Mobile: Dial the 7-digit number directly.

International Calls

Outgoing: Dial 011 (International Prefix) + 1 (Country Code) + 767 (NPA Code) + NXX XXXX (Subscriber Number).
- Example: 011 + 1 + 767 + 255 1234
Incoming: The caller should dial their international access code, followed by +1 767 and the local number.

Number Portability

Mobile number portability (MNP) is available in Dominica, allowing subscribers to retain their phone numbers when switching between service providers. This applies to both mobile and fixed-line numbers.

Telecom Operators and Number Ranges

Major Operators

Operator	Number Range
Flow (Liberty Global)	767-2XX-XXXX, 767-3XX-XXXX
Digicel Dominica	767-4XX-XXXX, 767-5XX-XXXX

Regulatory Information

Regulatory Body

The Dominica Telecommunications Authority (DTA) oversees the regulation and management of the telephone numbering plan in Dominica. For the latest updates, visit the official DTA website (replace with the actual URL if available).

Number Allocation and Management

Numbers are allocated and managed by the DTA in accordance with NANP guidelines. The DTA ensures efficient and fair distribution of numbers among operators, considering future growth and technological advancements.

Technical Considerations

For Developers and System Administrators

Validation: Use the provided regex patterns to validate phone numbers programmatically.
Number Formatting: Ensure that numbers are stored and displayed in the international format (+1 767 NXX XXXX) for consistency and ease of use.
Portability Handling: Implement support for mobile number portability to accommodate users switching providers without changing their numbers.
Time Zone Awareness: Dominica operates in the Atlantic Standard Time (AST) zone (UTC-4). Consider this when scheduling automated calls or services.

For the most up-to-date information on telecommunications regulations in Dominica, please consult the official website of the Dominica Telecommunications Authority.

Conclusion

This guide offers a comprehensive overview of Dominica's telephone numbering plan, including formats, dialing procedures, and regulatory information. By adhering to the technical details provided, telecom professionals and developers can ensure accurate and efficient handling of phone numbers in Dominica.

Phone Validator