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
Get a business phone number in Cameroon
A Twiching virtual number in Cameroon carries local +237 caller ID over a Tier-1 SIP trunk, so outbound calls land as a recognisable domestic number instead of an unfamiliar international one. Provisioning takes minutes, not a carrier contract.
Local +237 caller ID
Calls display a recognisable Cameroon number instead of an unfamiliar international one.
SIP trunking
Route your existing PBX or softphone through Twiching's Tier-1 trunk — no hardware swap.
Minutes to provision
Numbers activate in the dashboard the same day, with no on-the-ground carrier contract.
+237
Cameroon · ready to provision today
Why businesses route Cameroon calls through Twiching
The same Tier-1 interconnects, STIR/SHAKEN attestation, and delivery-rate guarantees that cover major markets apply to Cameroon calls too, with no reduced service tier.
Cameroon
+237
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
How Cameroon phone numbers are structured
Numbering Format
COUNTRY
+237
LOCAL
XXXXXXXX
Under country code +237, Cameroon runs a closed numbering plan — just a 8-digit subscriber number after the country code, no area code required.
Carriers & language
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.
Africa context
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.
Compliance, carriers & rates for Cameroon
Permitted — ART regulated
Regulated by ART (Agence de Régulation des Télécommunications)
ART (Agence de Régulation des Télécommunications) permits VoIP in Cameroon without special licensing for compliant operators, which keeps setup straightforward — no separate approval process stands between signing up and placing the first call.
- 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.
Direct Tier-1 interconnect with MTN Cameroon — no wholesale transit in between.
US → Cameroon
$0.019/min
Cameroon → US
$0.016/min
Billed per second, not rounded to the minute
How businesses use a Cameroon number
Local CM caller ID
Present a Cameroon +237 number so prospects in Yaoundé and nationwide recognise the call and are more likely to answer.
Direct routing, not transit
Cameroon traffic rides Twiching's direct interconnect with MTN Cameroon, skipping the lower-tier wholesale transit that can degrade call quality.
No missed calls after hours
Scheduling support and sales coverage around UTC+1 keeps a Cameroon number answered during the local business day, not the middle of the night elsewhere.
One platform, Cameroon included
Cameroon is provisioned the same way as every other Twiching market — no separate onboarding process for a new country in the directory.
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.
Full country code directory
Calling elsewhere in Africa? Every country below has the same dial-code breakdown, carrier list, and VoIP regulation summary as Cameroon. All 190 other countries are listed below, Africa first.
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See what a real phone stack does.
Phone numbers, voice, SMS and AI on one account. Direct Tier-1 routing into Cameroon from day one.
Compliance with applicable regulations required.