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E.164 Country Calling Code

Cameroon +237

Official telecommunications routing registry for Cameroon. International dialing prefix is +237. Browse all regional numbering plan area codes below.

Current Local Time
02:57:03
UTC • UTC +00:00
Full Dialing Format
+237 (XXX) XXX-XXXX
International Prefix +237
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ISO Jurisdiction CM
MAP
Total Area Codes 0
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Standard ITU-T E.164
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Cameroon, often referred to as 'Africa in miniature' due to its diverse geography and cultures, operates under the international dialing code +237. This code is shared across the entire nation, encompassing both fixed-line and mobile telephony. For any international call to Cameroon, the +237 prefix replaces the leading zero that is sometimes used in domestic dialing. The country's telecommunications sector has seen significant growth, with mobile penetration rates exceeding 80% and a rapidly expanding internet user base, making connectivity a vital component of both business and personal communication.

How to Call Cameroon from Abroad

Placing an international call to Cameroon requires a simple sequence: start with the international access code of your current location (e.g., 011 from the United States, 00 from most European nations, or + from a mobile phone), followed by Cameroon's country code +237, and then the subscriber's number. Unlike many countries, Cameroon does not use area codes; the national numbering plan assigns a uniform 9-digit subscriber number for all fixed-line and mobile services. For example, to call a mobile phone in Douala from the US, you would dial 011 + 237 + 6XXXXXXXX (where 6 is typical for mobile lines). This streamlined approach simplifies connectivity, but it also means that every digit of the 9-digit number is crucial—omitting even one will result in a failed call.

Understanding Cameroon's Numbering Structure

Cameroon's telephone numbers are fixed at 9 digits after the country code, and the initial digit often indicates the service type. Mobile numbers commonly start with 6 (e.g., 65, 66, 67, 68), while fixed-line numbers typically start with 2 or 3 (e.g., 22 for Douala, 23 for Yaoundé, and 33 for other regions). However, these prefixes are not official area codes but rather part of the subscriber number. This means that when dialing from abroad, you must include the full 9-digit number after +237, without any additional trunk prefix. For instance, a landline in Yaoundé might be +237 233 45 67 89, and a mobile in Bafoussam could be +237 699 12 34 56. Always verify the number's length before dialing, as numbers with fewer than 9 digits are often invalid or part of outdated systems.

Special Dialing Rules and Service Numbers

While international calls to Cameroon are straightforward, there are a few nuances to keep in mind. First, toll-free numbers in Cameroon often start with 800 and may not be accessible from abroad using the standard +237 format; these are typically reserved for domestic calls. Premium-rate numbers (starting with 88 or 89) may incur higher charges, and some may be restricted internationally. For emergency services, dialing 112 from a mobile phone connects to a central dispatch, but it's essential to note that this is not a universal service across all regions; local police numbers vary by city. When calling from a VoIP service (like Skype or WhatsApp), ensure that the number is entered in international format with +237, as many platforms automatically handle the conversion. Additionally, when providing your number to Cameroonians, always include +237 to avoid confusion, as local callers will drop the country code and dial the 9-digit number directly.

Business and Traveler Communication Tips

For business professionals and travelers, understanding local communication etiquette is as important as the dialing process. Mobile coverage is robust in major cities like Douala and Yaoundé, but rural areas may experience patchy signals, particularly in forested or mountainous regions. It's advisable to have a local SIM card for cost-effective calls, as international roaming can be expensive. The two main operators—MTN and Orange—offer prepaid plans with data bundles that are widely used for internet calls. When scheduling calls, remember that Cameroon observes West Africa Time (WAT, UTC+1) year-round, so it does not observe daylight saving time. This can affect coordination with partners in countries that do shift clocks. Finally, be aware that the Cameroonian government occasionally requires SIM card registration, so carrying a passport when purchasing a local SIM is prudent. For reliable connectivity, consider using a virtual private network (VPN) for business communications, as internet censorship has been reported in the past, especially during periods of civil unrest.

❓ Frequently Asked Questions

What is the international dialing code for Cameroon?
The international dialing code for Cameroon is +237. To call a Cameroonian number from abroad, dial your country's exit code (e.g., 011 from the US, 00 from Europe) followed by 237 and then the 9-digit local number.
Does Cameroon use area codes for different cities?
No, Cameroon does not use area codes. The entire country operates under a single country code +237, and all subscriber numbers are 9 digits long. The first digit of the number (e.g., 2, 3, 6) may indicate the type of service or region, but it is not an area code.
How do I call a mobile phone in Cameroon?
To call a mobile phone in Cameroon, dial your international exit code, then 237, followed by the 9-digit mobile number. Mobile numbers in Cameroon typically start with 6, such as 6XXXXXXXX. For example, from the UK, you would dial 00 237 6XXXXXXXX.
What is the format for dialing a landline in Douala from overseas?
Landline numbers in Douala often start with 22 or 33, but you must dial the full 9-digit number after the country code. For instance, if the local number is 22 34 56 78, you would dial +237 22 34 56 78 from any international location.
Are there any special rules for calling toll-free or premium numbers in Cameroon?
Toll-free numbers in Cameroon typically start with 800 and are only accessible from within the country. Premium-rate numbers (starting with 88 or 89) may be accessible internationally but often incur higher charges. It's best to check with your telecom provider for specific rates and restrictions.
What should I do if I have trouble reaching a number in Cameroon?
First, verify that you have the correct 9-digit subscriber number and have included the +237 country code. If the call fails, check if the number is a mobile (starting with 6) or fixed line (starting with 2 or 3) and ensure you are not using an outdated prefix. Also, confirm that your international calling plan includes Cameroon, as some providers block certain destinations or require an international credit.
Is it safe to use VoIP services like WhatsApp or Skype to call Cameroon?
Yes, VoIP services are widely used in Cameroon, especially for international calls, as they are often cheaper than traditional phone lines. However, ensure you have a stable internet connection, and note that in some regions, internet access may be subject to government restrictions. Using a VPN can help maintain access and security.