The +855 prefix belongs to Cambodia. If you got a call or text from a number starting with +855 (calling code 855), it came from Cambodia.
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Code
+855
ISO
KH
Region
Asia
Time zone
Asia/Phnom Penh
Every Cambodia number in international format follows this shape — colour-coded so you can see where the country code ends and the local number begins.
When dialing Cambodia from abroad, the only fixed part is +855 — that's the country code. The rest depends on whether you're calling a mobile or landline number inside Cambodia.
+XXX XX XXX XXX
Example: +855 91 234 567
+855 XX XXXX XXX
Include the area code if applicable. Omit any leading 0.
Enter the country code +855 when dialing Cambodia from abroad.
Add the local phone number without the leading zero.
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Example numbers for Cambodia:
Dialing codes immediately above and below +855 in the ITU plan — handy if you mistyped a digit or are dialing across a region.
Everything you need to know about TwinPhone.
The +855 code belongs to Cambodia. Any phone number that starts with +855 — or with 00855 — is a Cambodia number.
The 00855 prefix is Cambodia. The 00 is the international exit code dialed from Europe and many other regions; it is followed by +855, the Cambodia country code.
The country code (international dialing code) for Cambodia is +855. To call Cambodia from abroad, dial +855 followed by the national number without its leading zero.
+855 is Cambodia's international country calling code under the ITU E.164 plan — often searched as the "855 area code". Any phone number starting with +855 is a Cambodia number.
From TwinPhone, just type +855 and the number — we connect it. From a landline, dial your exit code, then +855, then the number without the leading 0.
Cambodia's current local time is shown live on this page. Check it before calling so you reach people during waking hours.
Yes! Virtual numbers in Cambodia start at $1.60/month. Use it as your caller ID so people see a local number, or receive incoming calls directly in your browser.
No. TwinPhone works directly in your browser — Chrome, Edge, Safari, or Brave. Open the site, add credit, dial +855 and your number, done. No installs, no plugins, no SIM card required.
Cheap calls to Cambodia
Per-minute rates to Cambodia straight from your browser — no SIM, no app.
Where is this number from?
Paste an international number (with +) and we'll tell you which country it's from, its dialing code, and how to call.
All phone dialing codes
The complete list of country codes and international dialing prefixes.

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