Phone Numbers in Saint Barthélemy: Formats and Dialing Rules

Quick Reference

Country: Saint Barthélemy
Country Code: +590
International Prefix: 00
National Prefix: 0

Overview

Saint Barthélemy's phone numbering system is integrated with the French Overseas Departments' plan. This guide is essential for telecom professionals, developers, and system administrators who require precise information on the region's phone number formats and dialing procedures.

Numbering Plan Structure

General Number Structure

Country Code: +590
National Significant Number (NSN): 9 digits
Format: 590X XXXX XXX

Landline Numbers

Format: 590 27XXXXXX to 590 39XXXXXX
Structure:
- Prefix: 27 to 39
- Subscriber Number: 6 digits
Example: 590 27567890

Mobile Numbers

Format: 690 XX XX XXX
Structure:
- Prefix: 690
- Subscriber Number: 6 digits
Example: 690 123456

Special Services (Toll-Free, Premium)

Toll-Free Numbers: 080X XXX XXX
- Prefix: 080
- Subscriber Number: 6 digits
- Example: 0800 123456
Premium Rate Numbers: 089X XXX XXX
- Prefix: 089
- Subscriber Number: 6 digits
- Example: 0899 123456

Number Formats Table

Type	Format	Example
General	`590X XXXX XXX`	`5906 1234567`
Landline	`590 27XXXXXX`	`590 27567890`
Mobile	`690 XX XX XXX`	`690 123456`
Toll-Free	`080X XXX XXX`	`0800 123456`
Premium Rate	`089X XXX XXX`	`0899 123456`

Regular Expressions for Number Validation

General Format:
```
^590\d{7}$
```

Landline Numbers:

^590(27|28|29|30|31|32|33|34|35|36|37|38|39)\d{6}$

Mobile Numbers:
```
^690\d{6}$
```
Toll-Free Numbers:
```
^080\d{6}$
```
Premium Rate Numbers:
```
^089\d{6}$
```

Dialing Procedures

Domestic Calls

Landline to Landline: Dial the 9-digit number directly (e.g., 590 27567890).
Landline to Mobile: Dial the 9-digit mobile number (e.g., 690 123456).
Mobile to Mobile: Dial the 9-digit mobile number (e.g., 690 123456).

International Calls

Outgoing: Dial 00 (international prefix) + 590 (country code) + the 9-digit NSN.
- Example: To call a number in France from Saint Barthélemy, dial 00 33 XXXXXXXXX.
Incoming: From abroad, dial +590 followed by the 9-digit NSN.
- Example: From the USA to Saint Barthélemy, dial 011 590 27567890.

Number Portability

Mobile Number Portability (MNP): Available, allowing users to retain their numbers when switching providers.

Telecom Operators and Number Ranges

The primary telecom operators in Saint Barthélemy include:

Orange Caraïbe
SFR Caraïbe

Regulatory Information

Regulatory Body: The telecommunications sector is regulated by the Autorité de Régulation des Communications Électroniques, des Postes et de la Distribution de la Presse (ARCEP).
ITU Standards: Adheres to ITU-T Recommendation E.164 for international numbering.

Number Allocation and Management

Number Allocation: Managed by ARCEP, overseeing number resources.
Special Cases: Golden numbers may have specific allocation rules or fees.

Technical Considerations for Developers

Validation: Use the provided regex patterns for number validation.
Portability: Ensure systems support MNP for seamless provider changes.
Internationalization: Properly format and route international calls.

For the latest telecom regulations in Saint Barthélemy, visit the official ARCEP website.

Conclusion

Understanding Saint Barthélemy's phone numbering plan is vital for seamless communication and system integration. By adhering to the guidelines and technical details provided, professionals can ensure compliance and optimize operations within the region.