Cambodia (+855) code overview.
The +855 prefix connects one of Southeast Asia's fastest-developing economies — from Phnom Penh's garment and finance sectors to Siem Reap's tourism economy. Here's the verified Cambodia country code, ISO references, live local time, and Ringflow's direct Cambodian routes.
Cambodia at a glance.
The geography, area codes and ICT time zone you need before placing your first call into Cambodia.
Cambodia country information
Every route into Cambodian lines.
Landline, calling card or business VoIP — the +855 prefix reaches Phnom Penh and all 25 provinces. Pick what fits your traffic.
Direct calls using landlines & mobile phones
Dial Cambodia directly from any landline or mobile by entering your international exit code, then the country code +855, and finally the local number.
International calling cards for Cambodia
Pre-paid international calling cards remain a convenient, low-cost way to reach Cambodia. Each card gives you a PIN and an access number to place global calls.
VoIP services for contacting Cambodia
VoIP apps like Skype, WhatsApp and Viber — and business VoIP from Ringflow — route calls to Cambodia over the internet, usually at far lower rates than traditional carriers.
What shapes Cambodian voice traffic, Mekong to coast.
The fundamentals behind calls to and from Cambodia — the +855 code, Phnom Penh, the single ICT zone and the area-code plan.
How to call Cambodia.
A Cambodian number is built from four parts. Here's the anatomy and dialling order, including the leading-zero rule.
Number anatomy
Start with the exit prefix
Press + on a mobile (hold the 0 key), or dial 00 from most countries, or 011 from North America.
Add the Cambodia code
Dial +855. This identifies Cambodia on the global telephone network.
Enter the area or mobile prefix
Type the first part of the local number. Drop the leading 0 if there is one.
Finish with the subscriber number
The remaining digits route the call to the specific line in Phnom Penh or elsewhere.
Dialling Cambodia (+855) from other countries
The exit prefix changes by origin; the Cambodia code stays +855.
| Calling from | Exit prefix | You dial, then the national number |
|---|---|---|
| United States & Canada | 011 | 011 855 |
| United Kingdom & most of Europe | 00 | 00 855 |
| Australia | 0011 | 0011 855 |
| Japan | 010 | 010 855 |
| Any mobile (E.164) | + | +855 |
Browse the full country code index.
Search by country name, ISO code or dial prefix. Click any country for its dialing rules and Ringflow's local number availability.
FAQ
Calling Cambodia, answered.
What businesses and travellers ask most before dialling Cambodia on +855.
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Dialling Cambodia without misdialling
Cambodia’s calling code is +855 , which puts it in East Asia and a group of global services. The codes below are the ones a caller actually reaches by mistake, so they are worth checking before a number goes into a CRM or an outbound list.
| Dial this by mistake | and you reach | Why it happens |
|---|---|---|
| +852 | Hong Kong | One digit out on the last position |
| +856 | Laos | One digit out on the last position |
| +853 | Macao | One digit out on the last position |
| +850 | North Korea | One digit out on the last position |
Other Asia countries in the same numbering zone: Bangladesh +880, China +86, Hong Kong +852, Japan +81, Laos +856. Cambodia's capital is Phnom Penh.