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Cameroon Phone Numbers: Format, Area Code & Validation Guide
Quick Reference
Country: Cameroon
Country Code: +237
International Prefix: 00
National Prefix: None
Overview
Discover the comprehensive structure of Cameroon's telephone numbering plan, including dialing procedures and regulatory insights. This guide is essential for telecom professionals, developers, and businesses seeking accurate information on Cameroonian phone numbers.
Numbering Plan Structure
Cameroon's numbering plan adheres to the ITU-T E.164 standard, supporting up to 15 digits in an international phone number, inclusive of the country code.
General Number Structure
Country Code: +237
Subscriber Number: 8 digits
Number Breakdown
Type
Format
Example
Landline
2X XX XX XX
22233866
Mobile
6X XX XX XX
672123456
Toll-Free
88X XX XX XX
88012345
Premium Rate
90X XX XX XX
90123456
Regular Expressions for Number Validation
Validate Cameroonian phone numbers with these regular expressions:
Landline: ^2\d{7}$
Mobile: ^6\d{7}$
Toll-Free: ^88\d{6}$
Premium Rate: ^90\d{6}$
Dialing Procedures
Domestic Calls
Landline to Landline: Dial the 8-digit number directly.
Landline to Mobile: Dial the 8-digit mobile number directly.
Mobile to Mobile: Dial the 8-digit mobile number directly.
International Calls
Outgoing: Dial 00, followed by the country code and subscriber number. E.g., to call the US: 00 1 XXX XXX XXXX.
Incoming: Dial +237 followed by the 8-digit number.
Recent and Upcoming Changes
Currently, there are no significant changes to Cameroon's numbering plan. Stay updated by visiting the Telecommunications Regulatory Board (TRB) for future updates.
Number Portability
Cameroon supports Mobile Number Portability (MNP), allowing users to switch operators without changing numbers. This service is regulated by the TRB and is available across all major networks.
Major Telecom Operators and Number Ranges
Operator
Number Range
MTN Cameroon
67X, 68X, 69X
Orange Cameroon
65X, 66X
Nexttel
66X, 69X
Camtel
22X, 23X
ITU-T Recommendations
Cameroon's numbering plan complies with ITU-T E.164, ensuring global interoperability in telecommunication numbering.