Cameroon flag CM

How to Call Cameroon from the United States

Country code +237 — Dial 011 237 6 XX XX XX XX from a US landline or +237 6 XX XX XX XX from a mobile phone.

+237
Cameroon Country Code

What to Dial

  1. 1Dial 011 from a US landline, or + from a mobile (hold the 0 key).
  2. 2Dial 237, the country code of Cameroon.
  3. 3Dial the number: 9 digits, exactly as written: Cameroon has no leading 0 to drop.
Calling a… Written in Cameroon From a US landline From a cell phone
Mobile 6 XX XX XX XX 011 237 6 XX XX XX XX +237 6 XX XX XX XX
Landline 2 XX XX XX XX 011 237 2 XX XX XX XX +237 2 XX XX XX XX

X stands for any digit. Mobile numbers start with 24, 62 or 64–69. More number types: Cameroon phone number format.

Mobile or Landline?

Cameroon had 108 mobile subscriptions and 0.2 landlines per 100 people in 2024. Most people you call will be on a mobile, so ask for their mobile number and check what your plan charges for calls to Cameroon mobiles.

Source: World Bank (ITU).

Calling Tips for Cameroon

Best Time to Call

To reach someone between 9 AM and 8 PM in Yaounde, call between 3:00 AM–2:00 PM EST (12:00 AM–11:00 AM PST). Cameroon doesn’t change its clocks, so the gap moves by an hour when the US does.

Cameroon is on UTC+1, 6 hours ahead of US Eastern Time right now.

Cost Saving Tips

  • VoIP services such as Google Voice or Vonage usually charge less per minute than a carrier's standard international rate.
  • WiFi calling apps (WhatsApp, Viber, FaceTime) are free when both parties have the app.
  • Check your carrier's international plan — many offer add-on packages.

Time Difference

US Eastern (EST)
--:--
UTC-5
+6h
Cameroon
--:--
UTC+1

Frequently Asked Questions

How do I call Cameroon from the US?
From a US landline, dial 011, then 237, then the number: 011 237 6 XX XX XX XX for a mobile. From a cell phone, dial +237 6 XX XX XX XX.
Do I need to drop a 0 when calling Cameroon?
No. Cameroon has no trunk prefix: dial every digit after +237 exactly as written, for example +237 6 XX XX XX XX.
How many digits is a phone number in Cameroon?
9 digits after the country code +237. Mobile numbers start with 24, 62 or 64–69.
What time should I call Cameroon from the US?
Cameroon is 6 hours ahead of New York (UTC+1 in Yaounde). To reach someone between 9 AM and 8 PM there, call between 3:00 AM–2:00 PM EST, or 12:00 AM–11:00 AM PST on the West Coast. Cameroon doesn't change its clocks, so the difference shifts by an hour when the US switches to or from daylight saving time.
How do people in Cameroon call the US?
They dial the exit code 00, then 1 and the 10-digit US number: 00 1 XXX XXX XXXX, or +1 from a mobile.
How much does it cost to call Cameroon?
It depends on your plan: many US plans charge per minute for international calls, and calls to Cameroon mobiles often cost more than calls to landlines. Internet calling apps are free when both people have the same app.
Cameroon Quick Info
Country Code +237
ISO Code CM
Capital Yaounde
Time Zone UTC+1
Exit Code (US) 011
Full Country Profile
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