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
The +855 code identifies Cambodia on the international telephone network. Country code 855 is assigned to Cambodia under the ITU-T E.164 numbering plan, so any phone number that begins with +855 — written +855 or 00855 — is a Cambodia number.
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 (in most countries, drop the leading zero).
Use TwinPhone to connect the call at low per-minute rates.
Enter a phone number and start instantly
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.
Dialing code 855 (dialed as +855 or 00855) belongs to Cambodia. Any phone number that starts with +855 is a Cambodia number.
Country code 855 is the ITU-T E.164 calling code for Cambodia. To call Cambodia from abroad, dial +855 followed by the national number.
The country code (international dialing code) for Cambodia is +855. To call Cambodia from abroad, dial +855 followed by the national number (in most countries, 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 (in most countries, 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.
Calling Cambodia with TwinPhone starts from $0.02/min, billed by the minute (rounded up to the next full minute). It is pay-as-you-go from your browser — no connection fee and no monthly fee. The exact per-minute price for +855 landlines and mobiles is shown live on this page.
Yes. TwinPhone works entirely in your web browser — Chrome, Edge, Safari, or Brave on desktop or mobile. There is no app to install and no SIM card: open the site, add credit, dial +855 and the Cambodia number, and the call connects.
A +855 number is not automatically a scam — +855 is simply the country code 855 assigned to Cambodia under ITU-T E.164, so the call or text came from Cambodia. If you do not know anyone there, treat an unexpected +855 call with the same caution as any unknown number: do not call back blindly and do not share personal details. Costs to call Cambodia are shown above.
Dial +855 with TwinPhone — no SIM, no app, right from your browser.
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