+237 explained
The Cameroon country code, 237, is what you dial before a Cameroon number when you call from abroad. It is also known as the Cameroon dialing code, Cameroon calling code, or Cameroon phone code. In the Cameroon phone number format, +237 comes first, then the area code and the local number.
- Country code
- +237
- The 00237 country code is the same number
- ISO country codes
- CM, CMR
- Use the CM country code or the CMR country code on forms and passports. To call Cameroon, dial +237
- Used in
- Cameroon
- No other country or territory dials +237
- Exit code
- 00
- From most countries. Also 011 from United States and Canada, 0011 from Australia, and + from any mobile
- Trunk prefix
- None
- Keep every digit after +237
- Number length
- 8 or 9 digits
- After +237
- Time now in Cameroon
- Cameroon mobile number format
- 6 71 23 45 67
- From abroad: +237 6 71 23 45 67
- Cameroon landline number format
- 2 22 12 34 56
- From abroad: +237 2 22 12 34 56
Cameroon phone number types
The first digits of a Cameroon number tell you what kind of number it is: a landline, a mobile, a free number, or one that costs more to call. Here is a sample of each type of Cameroon phone number, as dialed inside Cameroon and from abroad.
Good to know before you call Cameroon
“Allô”
Hello. It is the usual way French speakers answer a call
Reply
“Allô”
Every phone number in Cameroon gained a digit overnight. The plan grew from eight digits to nine on 21 November 2014.
Wikipedia: Telephone numbers in CameroonIt had grown once before: the plan moved from seven digits to eight on 1 June 2007.
ART Cameroon, National Numbering PlanThe two digits after +237 6 name the network: 66 is Nexttel, 67 is MTN Cameroon, and 69 is Orange Cameroun.
ART Cameroon, National Numbering PlanCamtel also runs a CDMA service with restricted mobility. Its numbers start with 242 or 243, not the usual 222 or 233.
ART Cameroon, National Numbering Plan
What it costs to call Cameroon (using Suparelay)
Landline from $0.55/minMobile from $0.70/min
Only 65 of 220 countries cost more to call than Cameroon.
Enter a numberEach bar counts the countries at that price
Want to call Cameroon?
Call any phone from this tab. Nothing to install on either side, and you pay cents a minute.
Why a call to Cameroon fails
You call from: 🇺🇸 United States
The exit code is wrong for your country
00 works from Cameroon, Europe, and most of the world, reaching the same nine-digit Cameroonian number. From the US and Canada the exit code is 011.
- Connects
- 011 237 2 22 12 34 56
- Does not connect
- 00 237 2 22 12 34 56
The number does not take calls from abroad
Numbers that start with 8 are value-added service numbers inside Cameroon and often cannot be reached from outside the country.
- Connects
- 011 237 2 22 12 34 56
- Does not connect
- 011 237 88 01 23 45
Questions about +237
Which country is +237?
+237, or country code 237, belongs to Cameroon. No other country shares this code.
What is +237?
+237 is the code you dial before a Cameroonian number when you call from another country. It comes before the nine digits of a Cameroonian number.
What is the difference between +237 and 00237?
The + stands for your exit code. 00 is the exit code in Cameroon, Europe, and most of the world, so 00237 and +237 reach the same nine-digit Cameroonian number there. From the US and Canada, dial 011 237 instead.
Can I text a +237 number?
Yes. Write the number as +237 followed by the nine digits, and your phone sends the text abroad at your carrier's international rate.
How much does it cost to call Cameroon?
The dialer on this page shows the exact price of the number you enter before you call.
Does Cameroon have a trunk prefix?
No. Cameroon's numbering plan is closed, so you dial the same nine digits after +237 whether you call from home or from abroad.
Why do Cameroon phone numbers have nine digits?
The plan grew from eight digits to nine on 21 November 2014. It had already grown from seven to eight in 2007.
The information on this page is accurate as of September 26, 2026.
ART Cameroon, National Numbering Plan (via ITU)