Cameroon country code, +237 explained.
Everything you need to call Cameroon with Twiching — full dialing format, step-by-step guide, and Tier-1 CLI routes that land every call.
Cameroon
Yaoundé · Africa
· COUNTRY INFO · VERIFIED
- ISO Alpha-2
- CM
- Capital
- Yaoundé
- Region
- Africa
- Timezone
- UTC+1
· DIALING GUIDE · VERIFIED
FULL DIAL FORMAT
011 · +237 · XXXXXXXX
How Cameroon numbers break down
A complete number to Cameroon follows this pattern. Twiching adds the exit and country codes automatically when you dial from the app.
EXIT CODE
Dial from the US/Canada to leave the country.
COUNTRY CODE
Routes the call directly into Cameroon.
LOCAL NUMBER
The subscriber's local number.
COMPLETE NUMBER FORMAT
011 · +237 · XXXXXXXX
Cameroon on the map
Yaoundé · Africa
ROUTE
Tier-1 Direct
CLI
Verified
ASR
60%+ min
How to call Cameroon
Click any step — watch the full dial string build piece by piece.
FULL NUMBER FORMAT
011 · +237 · XXXXXXXX
Twiching automatically adds the exit and country codes — just enter the local number.
Cameroon —
connected across every carrier.
191
Countries in directory
CAMEROON INCLUDED
99.97%
Call delivery rate
STIR/SHAKEN
500+
Carrier interconnects
TIER-1 DIRECT
60%+
Guaranteed ASR
REAL-TIME ROUTING
Cameroon
Africa · CM
Cameroon numbering plan & how to dial
Under country code +237, Cameroon runs a closed numbering plan — just a 8-digit subscriber number after the country code, no area code required.
Mobile coverage in Cameroon comes from 3 major networks — MTN Cameroon, Orange Cameroon, Camtel — with internet penetration at 39%. VoIP is permitted and regulated by ART (Agence de Régulation des Télécommunications). Language (French) and currency (XAF) both matter here for IVR, SMS, and scheduling support around local business hours.
Across African markets, mobile-first numbering dominates and Tier-1 interconnects are the key to consistent call delivery and CLI presentation.
Skipping the exit code
Reaching Cameroon from the US requires the 011 exit code ahead of +237 — skip it and the call won't connect.
Adding an area code that doesn't exist
Don't insert an area code for Cameroon: it's a closed plan, so +237 plus the 8-digit number is the whole address.
Ignoring the time difference
Cameroon runs on UTC+1. Check local hours before dialing so calls don't land outside business time.
Permitted — ART regulated
Regulated by ART (Agence de Régulation des Télécommunications)
- ART licenses VoIP providers under the 2010 Electronic Communications Law.
- Operators must maintain lawful interception infrastructure as mandated by law.
- International VoIP termination is subject to interconnection agreements approved by ART.
US → Cameroon
$0.019/min
per minute
Cameroon → US
$0.016/min
per minute
Business calling to Cameroon
Local CM caller ID
Present a Cameroon +237 number so prospects in Yaoundé and nationwide recognise the call and are more likely to answer.
Africa outbound & support
Run sales and support lines into Cameroon over Tier-1 routes that interconnect with networks like MTN Cameroon.
Follow-the-sun coverage
Staff Cameroon hours (UTC+1) with routing that sends calls to the right team at the right local time.
FAQ
Calling Cameroon — frequently asked questions
ART (Agence de Régulation des Télécommunications) is the regulator for Cameroon. Twiching routes calls in line with its rules for compliant, licensed termination, rather than relying on unlicensed grey routes that can be blocked or degraded.
Cameroon has 39% internet penetration, which is a useful signal for how reliably VoIP and SMS-based channels will perform there. Higher penetration generally means more consistent call quality and app-based delivery for messaging.
Cameroon uses a 8-digit subscriber number after the +237 country code, with no separate area code. Since there's no prefix layer to account for, the full dial string is always the same length for every number in the country.
Yes, where locally supported — a single Twiching Cameroon number can handle both voice calls and SMS. That avoids the overhead of provisioning and managing two separate numbers for one customer-facing line.
A recognisable +237 number tends to get answered more often than an unfamiliar international one — that's the main reason to present local caller ID in Cameroon. Unknown foreign numbers are frequently screened or ignored, which can quietly suppress answer rates on outbound sales and support calls.
The subscriber portion of a Cameroon number is 8 digits, after the country code. That's the part that identifies the specific line once the call has been routed to the right network.
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