Cameroon Phone Numbers: Format, Area Code & Validation Guide
Explore Cameroon's phone number formats (+237): structure, dialing codes, & validation. Understand landline (2X XX XX XX), mobile (6X XX XX XX) patterns. Includes regex: `^2\d{7}$`, `^6\d{7}$` for validation. Learn about MNP and ITU-T E.164 compliance.
Phone number standards2 min read
Frequently asked questions
The country code for Cameroon is +237. This code is required when dialing into Cameroon from another country and precedes the 8-digit subscriber number. It ensures that the call is routed correctly to the Cameroonian telephone network.
Dial the 8-digit landline number directly. No prefixes are needed for local calls within Cameroon, whether from landline to landline, landline to mobile, or mobile to mobile.
To call Cameroon from the US, dial 00 followed by Cameroon's country code (+237) and the 8-digit subscriber number. The '00' is the international prefix used to initiate an international call from Cameroon.
Cameroonian mobile numbers follow the format 6X XX XX XX, where X represents any digit. They are 8 digits long, following the country code +237 when dialing internationally. Examples include numbers starting with 67, 68, or 69, belonging to operators like MTN, Orange, and Nexttel.
Use specific regular expressions for different number types: ^2\d{7}$ for landlines, ^6\d{7}$ for mobile, ^88\d{6}$ for toll-free, and ^90\d{6}$ for premium rate numbers. These expressions ensure the number adheres to the correct format.
Cameroon adheres to the ITU-T E.164 standard for global interoperability in telecommunications. This standard ensures consistent formatting of international phone numbers, including the country code (+237), facilitating seamless communication worldwide.
The TRB oversees number allocation and management in Cameroon, ensuring fair distribution among operators. They also regulate Mobile Number Portability (MNP) and provide updates on telecommunication regulations.
Yes, Cameroon supports Mobile Number Portability (MNP). This service, regulated by the TRB, allows users to retain their existing mobile number even when switching to a different service provider.
Cameroonian phone numbers consist of 8 digits for the subscriber number, preceded by the +237 country code when dialing internationally. Therefore, a complete international number comprises 11 digits in total, adhering to the E.164 standard.
Landline area codes in Cameroon are represented by the first two digits of an 8-digit number. Examples include 22 and 23, commonly used by the operator Camtel. These codes identify the geographic region for landline services.
Use the international prefix '00' when making calls from Cameroon to another country. This prefix signals an international call and is followed by the destination country code and subscriber number.
Golden numbers in Cameroon are reserved for premium services and are managed by telecom operators. These numbers often have repeating digits or other desirable patterns and are typically allocated at a higher price than regular numbers.
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Quick Reference
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
Number Breakdown
Regular Expressions for Number Validation
Validate Cameroonian phone numbers with these regular expressions:
^2\d{7}$^6\d{7}$^88\d{6}$^90\d{6}$Dialing Procedures
Domestic Calls
International Calls
00, followed by the country code and subscriber number. E.g., to call the US:00 1 XXX XXX XXXX.+237followed 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
ITU-T Recommendations
Cameroon's numbering plan complies with ITU-T E.164, ensuring global interoperability in telecommunication numbering.
Number Allocation and Management
The Telecommunications Regulatory Board (TRB) oversees number allocation, ensuring efficient and fair distribution among operators.
Technical Restrictions and Special Cases
Technical Considerations
For developers and system administrators:
+237XXXXXXXX) for global compatibility.