+855 is the country code for Cambodia.
Every phone number in Cambodia starts with +855 when you call it from another country. From the US, dial 011 855, then the number without its first 0.
- Time there
- Phnom Penh timeIndochina Time, UTC+7, no daylight saving
- From the US or Canada
- 011 855 91 234 567
- From the UK and most of Europe
- 00 855 91 234 567
- From Australia
- 0011 855 91 234 567
- From any mobile phone
- +855 91 234 567
- Inside Cambodia
- 091 234 567
- Mobile numbers
- 8 to 9 digits after +855
Check a +855 number to see whether it is a mobile, a landline or VoIP.
Pick the country, enter the number without the +855, and the free check shows whether it is valid and whether it is a mobile, a landline or VoIP.
Mobile numbers in Cambodia start with 1, 31, 38, 60, 61, 66, 67, 68, 69, 70, 71, 76, 77, 78, 79, 80, 81, 83, 84, 85, 86, 87, 88, 89 or 9, and this table shows which networks first issued each start.
| At home | From abroad | First issued by |
|---|---|---|
| 01 | +855 1 | Cellcard, Smart, qbmore/Cadcomms |
| 031 | +855 31 | Metfone |
| 060 | +855 60 | Metfone |
| 061 | +855 61 | Cellcard |
| 066 | +855 66 | Metfone |
| 067 | +855 67 | Metfone |
| 068 | +855 68 | Metfone |
| 069 | +855 69 | Smart |
| 070 | +855 70 | Smart |
| 071 | +855 71 | Metfone |
| 076 | +855 76 | Cellcard |
| 077 | +855 77 | Cellcard |
| 078 | +855 78 | Cellcard |
| 081 | +855 81 | Smart |
| 085 | +855 85 | Cellcard |
| 086 | +855 86 | Smart |
| 088 | +855 88 | Metfone |
| 089 | +855 89 | Cellcard |
| 09 | +855 9 | Cellcard, Smart, Metfone |
People keep their number when they switch networks, so the start shows where a number began. Our free number portability lookup shows the network it is on today.
In Cambodia, the phone number format for apps and SMS gateways is +855 followed by the number without its 0.
| Written | Example | Where you see it |
|---|---|---|
| At home | 091 234 567 | Business cards, local ads |
| International | +855 91 234 567 | Websites, email signatures |
| E.164 | +85591234567 | APIs, SMS gateways, CRMs |
A missed call from a +855 number you don't know can be a one-ring scam, so check it before calling back.
One-ring scams call once and hang up, hoping you call back a line that bills you international or premium rates.
- Don't call back an international number you don't know. A real caller leaves a message or sends a text.
- Check the number in the box above. A number that is not a working mobile or landline in Cambodia is a warning sign.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report it at reportfraud.ftc.gov, and see the FCC's guide to one-ring scams.
The codes next to +855 belong to other countries, so one wrong digit reaches a different place.
These are the questions people ask most about +855.
Which country uses the +855 country code?
Cambodia. Every phone number there starts with +855 when it is dialed from abroad.
How do I call Cambodia from the US?
Dial 011, then 855, then the number without its first 0. A mobile number written 091 234 567 at home is dialed 011 855 91 234 567 from the US, or +855 91 234 567 from any mobile phone.
Is +855 the same as 00855?
Yes. 00 is the exit code used in most of the world, and the + on a mobile phone stands in for whatever exit code your network uses. From the US and Canada the exit code is 011 instead.
How many digits is a phone number in Cambodia?
A mobile number has 8 to 9 digits after +855, written 091 234 567 at home.
What time is it in Cambodia?
Cambodia is on Indochina Time, UTC+7, all year. It does not use daylight saving time.
How do I check a +855 number that called me?
Enter it in the box above. The free check shows whether it is a valid number from Cambodia and whether it is a mobile, a landline or a VoIP line, which helps you spot a one-ring scam before you call back.
Sources: Google's libphonenumber numbering data for lengths, mobile starts, area code places, first-issuing networks and time zones, as of September 24, 2026; the ITU list of country codes.