What is the country code for Cameroon?

The country code for Cameroon is +237.

How are mobile numbers structured in Cameroon?

Mobile numbers in Cameroon consist of 8 digits and typically start with the digit '6'. For example, a valid mobile number might be 672123456.

What are the dialing procedures for making international calls from Cameroon?

To make an international call from Cameroon, you need to dial the international prefix '00', followed by the country code of the destination, and then the subscriber number. For example, to call the United States, you would dial '00 1 XXX XXX XXXX'.

Is Mobile Number Portability (MNP) available in Cameroon?

Yes, Mobile Number Portability (MNP) is available in Cameroon, allowing subscribers to switch mobile operators without changing their phone numbers.

Which telecom operators are assigned specific number ranges in Cameroon?

In Cameroon, MTN Cameroon is assigned number ranges starting with 67X, 68X, and 69X; Orange Cameroon is assigned 65X and 66X; Nexttel is assigned 66X and 69X; and Camtel is assigned 22X and 23X.

What is the country code for Cameroon?

The country code for Cameroon is +237.

How many digits are in a Cameroonian phone number?

A Cameroonian phone number typically has 8 digits, excluding the country code.

How do I make an international call from Cameroon?

To make an international call from Cameroon, dial '00', followed by the country code and the subscriber number.

What is the format for a Cameroonian landline number?

A Cameroonian landline number is formatted as 2X XX XX XX.

Can I keep my number if I switch mobile operators in Cameroon?

Yes, Cameroon supports Mobile Number Portability (MNP), allowing you to keep your number when switching operators.

What are the major telecom operators in Cameroon?

The major telecom operators in Cameroon are MTN Cameroon, Orange Cameroon, Nexttel, and Camtel.

How do I validate a Cameroonian mobile number using regex?

To validate a Cameroonian mobile number, use the regex: '^6\d{7}$'.

What is the dialing procedure for domestic calls in Cameroon?

For domestic calls, dial the 8-digit number directly, whether it's landline to landline, landline to mobile, or mobile to mobile.

Are there toll-free numbers in Cameroon?

Yes, toll-free numbers in Cameroon are formatted as 88X XX XX XX.

Who regulates phone number allocation in Cameroon?

The Telecommunications Regulatory Board (TRB) oversees phone number allocation in Cameroon.

What is the international prefix for dialing out of Cameroon?

The international prefix for dialing out of Cameroon is '00'.

Is there a national prefix for dialing within Cameroon?

No, there is no national prefix for dialing within Cameroon.

What is the format for a Cameroonian premium rate number?

A Cameroonian premium rate number is formatted as 90X XX XX XX.

How do I call Cameroon from abroad?

To call Cameroon from abroad, dial '+237' followed by the 8-digit local number.

What is the ITU-T E.164 standard?

The ITU-T E.164 standard is an international numbering plan for public telephone systems, ensuring global interoperability.

What are 'golden numbers' in Cameroon?

'Golden numbers' are reserved for premium services and are managed by operators in Cameroon.

What number ranges are used by MTN Cameroon?

MTN Cameroon uses the number ranges 67X, 68X, and 69X.

Are there any upcoming changes to Cameroon's numbering plan?

Currently, there are no significant upcoming changes to Cameroon's numbering plan.

What are the technical considerations for developers working with Cameroonian numbers?

Developers should store numbers in E.164 format, validate using regex, and consider MNP for number-based routing.

Where can I find the latest telecom regulations in Cameroon?

You can find the latest telecom regulations on the Telecommunications Regulatory Board (TRB) website at https://www.art.cm.

Phone Numbers in Cameroon

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.

Number Allocation and Management

The Telecommunications Regulatory Board (TRB) oversees number allocation, ensuring efficient and fair distribution among operators.

Technical Restrictions and Special Cases

Golden Numbers: Reserved for premium services, managed by operators.
Number Blocking: Specific ranges may be blocked for certain services, managed at the network level.

Technical Considerations

For developers and system administrators:

Normalization: Store numbers in E.164 format (+237XXXXXXXX) for global compatibility.
Validation: Use the provided regex for number validation.
Portability: Consider MNP when designing systems reliant on number-based routing.

For the latest telecom regulations in Cameroon, visit the Telecommunications Regulatory Board (TRB).