Comprehensive Guide to Phone Numbers in Comoros

Quick Reference

• Country: Comoros
• Country Code: +269
• International Prefix: 00
• National Prefix: None

Overview

Explore the detailed structure of the Comoros telephone numbering system, including number formats, dialing procedures, and regulatory insights. This guide is crucial for telecom professionals, developers, and anyone involved in telecommunications with Comoros.

Number Formats

General Number Structure

Comoros operates a closed numbering plan with a uniform length of 7 digits for all numbers.

• Country Code: +269
• National Significant Number (NSN): 7 digits

Number Structure Breakdown

Regular Expressions for Number Validation

# General numbers
^(?:[3478]\d{6})$

# Landline numbers
^7[4-7]\d{5}$

# Mobile numbers
^[34]\d{6}$

# Premium rate numbers
^8\d{6}$

Dialing Procedures

Domestic Calls

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

International Calls

• Outgoing: Dial the international prefix 00, followed by the country code, and then the national significant number (NSN). Example: 00 + [Country Code] + [NSN]
• Incoming: Callers from abroad should dial +269 followed by the 7-digit number. Example: +269 3478347886

Number Allocation and Management

The Autorité Nationale de Régulation des TIC (ANRTIC) oversees the allocation and management of phone numbers in Comoros, ensuring efficient use of numbering resources.

Number Portability

Currently, Comoros does not support mobile number portability (MNP). Numbers remain with their original mobile operator.

Major Telecom Operators

ITU-T Recommendations

Comoros adheres to the ITU-T E.164 standard for international telecommunications numbering, ensuring global compatibility.

Technical Considerations

Number Validation and Formatting

Developers should implement validation checks using the provided regular expressions to ensure compliance with the national numbering plan. International systems must handle the +269 country code accurately.

Special Cases

• Golden Numbers: No public information is available on golden numbers in Comoros.
• Number Blocking: No specific restrictions or cases of number blocking are documented.

Recent or Upcoming Changes

No significant changes to the Comoros numbering plan have been announced. The current structure remains stable.

Conclusion

The Comoros telephone numbering system is straightforward with a fixed 7-digit format. While lacking mobile number portability, it adheres to international standards, facilitating global telecommunications. Understanding these structures and procedures is essential for those engaged in telecommunications or international business with Comoros.