Comprehensive Guide to Phone Numbers in Saint Martin (French Part)

Quick Reference

• Country: Saint Martin (French part)
• Country Code: +590
• International Prefix: 00
• National Prefix: 0
• Regulatory Body: ARCEP

Overview

This guide offers an in-depth look at the telephone numbering system in Saint Martin (French part). It includes number formats, dialing procedures, and essential telecommunications information, tailored for telecom professionals, developers, and systems administrators.

Numbering Plan Structure

General Number Format

Phone numbers in Saint Martin (French part) adhere to the following structure:

• Country Code: +590
• National Prefix: 0
• Subscriber Number: 9 digits

Number Structure

Detailed Number Format Breakdown

Landline Numbers

• Format: 0590 XXXX XXX
• Example: 0590 291234
• Regular Expression: ^0590[1-5]\d{6}$

Mobile Numbers

• Format: 0690 XXXX XX
• Example: 0690 123456
• Regular Expression: ^0690\d{6}$

Toll-Free Numbers

• Format: 0800 XXXX XX
• Example: 0800 123456
• Regular Expression: ^0800\d{6}$

Premium Rate Numbers

• Format: 089X XXXX XX
• Example: 0899 123456
• Regular Expression: ^089[0-9]\d{6}$

Emergency Numbers

• Format: 1XX
• Example: 112
• Regular Expression: ^1\d{2}$

Dialing Procedures

Domestic Calls

• Landline to Landline: Dial the full 10-digit number (e.g., 0590 291234).
• Landline to Mobile: Dial the full 10-digit number (e.g., 0690 123456).
• Mobile to Mobile: Dial the full 10-digit number (e.g., 0690 123456).

International Calls

• Outgoing: Dial 00, followed by the country code and subscriber number (e.g., 00 + 1 + 202 555 0123).
• Incoming: From abroad, dial +590 followed by the 9-digit local number (e.g., +590 690 123456).

Number Portability

Saint Martin (French part) supports mobile number portability, allowing users to retain their phone numbers when switching providers.

Telecom Operators and Number Ranges

Major Telecom Operators

ITU-T Recommendations

Saint Martin (French part) follows the ITU-T E.164 standard for international numbering plans, ensuring compatibility and efficient call routing.

Number Allocation and Management

Phone number allocation and management in Saint Martin (French part) are managed by ARCEP, ensuring efficient distribution in line with national and international standards.

Technical Considerations

Regular Expressions for Validation

Use the following regular expressions for validating phone numbers:

# Landline Numbers
^0590[1-5]\d{6}$

# Mobile Numbers
^0690\d{6}$

# Toll-Free Numbers
^0800\d{6}$

# Premium Rate Numbers
^089[0-9]\d{6}$

# Emergency Numbers
^1\d{2}$

Number Portability Implementation

Implementing number portability requires managing number range mappings and updating routing tables for ported numbers.

Special Considerations

• Golden Numbers: No specific regulations for golden numbers.
• Number Blocking: Managed through telecom operators' services.

Conclusion

Saint Martin (French part) maintains a structured telephone numbering plan compliant with international standards. This guide provides the technical insights needed for working with phone numbers in this region.