International Calling Rates
Reach landlines and mobiles across Phnom Penh, Siem Reap, Battambang, and beyond. Transparent per-minute pricing with no hidden fees.
Cambodia
Country code +855
$0.18
Landline
$0.18
Mobile
~60%
vs retail*
Same per-minute Sayfone rate for landline and mobile calls.
Average call quality
*Illustrative savings vs 2.5× directory rate — not a carrier quote.
Simple steps
Drag the slider to match your Cambodia call volume. See what you're spending versus what you could be spending with Sayfone.
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220
min / month
~$8.82/min
~$6.66/min
~$3.96/min
~$0.90/min
$0.180/min
Annual saving vs. AT&T
Based on 220 min/month
GETTING STARTED
No downloads, no calling cards, no complicated setups. Start calling Cambodia directly from your browser in under a minute.
Instant access
Visit Sayfone from any modern browser on your phone, tablet, or computer. No app installation or plugin needed.
Dialer
+00 000 000 00
Type the number you want to reach, including the +855 country code. The dialer formats it automatically.
HD audio from your browser
Your call routes over real phone lines for clear, reliable audio. Pay only for the minutes you use.
UNDERSTANDING THE COSTS
Several structural factors in Cambodia's telecommunications landscape drive up international calling costs. Understanding them helps you find a better deal.
Cambodia's fixed-line telephone network has been in sharp decline as customers migrate to mobile platforms. The lack of widespread fixed-line infrastructure increases termination costs for international calls to landlines.
Cambodia has five active mobile operators — Metfone, Smart Axiata, Cellcard, Cootel, and Yes — each with their own interconnection fees. International calls must terminate across these networks, and carrier-to-carrier charges add up.
Cambodia has historically depended on internet and voice bandwidth routed through neighboring countries like Thailand and Vietnam. While submarine cable projects are improving this, the legacy routing costs still affect international call pricing.
Extending telecom infrastructure to Cambodia's rural provinces — where about 75% of the population lives — is expensive. These costs contribute to higher mobile termination rates that international callers ultimately bear.
Sources
Supports information on Cambodia's numbering plan and operator structure
Supports claims about fixed-line decline and infrastructure challenges
Supports claims about rural connectivity gaps and bandwidth reliance on neighbors
CALLING OPTIONS COMPARED
From traditional carrier plans to messaging apps and browser-based services, callers to Cambodia have multiple options — each with trade-offs in cost, quality, and convenience.
Mobile Carrier International Plans
US and European carriers charge significant per-minute premiums for calls to Cambodia. Rates vary by carrier and often include connection fees on top of per-minute costs.
International Calling Cards
Prepaid calling cards were once popular for calls to Cambodia but come with connection fees, expiration dates, and inconsistent audio quality. Availability is decreasing.
WhatsApp / Messenger / Telegram Voice Calls
Widely used in Cambodia's urban areas where data connectivity is strong. However, calls depend on both parties having a stable internet connection — which is unreliable in rural provinces and during power outages.
Browser-Based Calling (Sayfone)
Call any Cambodia landline or mobile number directly from your browser. The recipient answers on their regular phone — no internet connection needed on their end. Clear audio over real phone lines with transparent billing.
Bar lengths reflect relative cost tiers for each option — not survey percentages.
APP CALLING LIMITATIONS
Messaging apps are popular in Cambodia's cities, but structural connectivity challenges make them unreliable for many real-world calling scenarios — especially when you need to reach someone on a regular phone.
Your call reaches any Cambodia phone number — landline or mobile — through actual telephone infrastructure. The person you're calling doesn't need internet, an app, or even a smartphone.
The problem
About 75% of Cambodians live in rural areas where internet access remains unreliable. Provinces like Mondulkiri, Preah Vihear, and Ratanakiri struggle with patchy mobile coverage and slower speeds, making app-based voice calls prone to drops and lag.
Cambodia's power grid still experiences frequent outages that knock out telecom equipment and interrupt internet connectivity. During these periods, app-based calling becomes impossible while traditional phone lines may still function.
WhatsApp and Messenger require stable internet on both ends. If you're calling someone in Cambodia who relies on a basic phone or lives outside major cities, they may not have the bandwidth or device to receive an app-based call.
Messaging apps can only call other app users. If you need to reach a Cambodian business landline, a government office, or a family member with a basic phone, app-based calling simply won't work.
Sources
Supports rural connectivity challenges
Urban-rural digital divide reference
CALLING TIPS & ETIQUETTE
Get the timing right, understand local etiquette, and make the most of your calls to Cambodia with these practical tips.
Cambodia Time Zone
ICT (UTC+7)
No daylight saving time
Offset from US Eastern
+12 hours
When it's 8am ET, it's 8pm in Cambodia
Offset from US Pacific
+15 hours
When it's 5pm PT, it's 8am next day in Cambodia
Offset from UK (GMT)
+7 hours
When it's noon in London, it's 7pm in Phnom Penh
Drop the Leading Zero
When dialing a Cambodian number from abroad, always omit the leading 0 from the area code or mobile prefix. For example, a Phnom Penh landline starting with 023 becomes +855 23 when dialed internationally.
Mobile Numbers Vary in Length
Cambodian mobile numbers are 8 or 9 digits after the leading 0. Different operators use different prefix lengths, so expect slight variation in number formats.
Try Evenings for Personal Calls
Most Cambodians are available for personal calls in the evening after work. Calling between 6–9 PM Cambodia time tends to yield the best answer rates.
Account for 'Cambodian Time'
In Cambodian culture, schedules are often approached with flexibility. If you're arranging a call with someone in Cambodia, build in a 10–15 minute buffer — punctuality norms differ from Western expectations.
Greet with Respect
Begin calls with a polite greeting. The traditional Cambodian greeting 'Chomreap Suor' shows respect, though English greetings are common in business contexts. Use titles and last names until invited to use first names.
Be Patient and Indirect
Cambodian business culture values harmony and indirectness. Avoid being overly blunt or pushing for immediate decisions. Allow time for the other party to consider proposals.
Respect Hierarchy
Seniority and hierarchy are important in Cambodian business. Address the most senior person first, and be prepared that decisions may need to be escalated before being confirmed.
Mind Public Holidays
Cambodia has many public holidays, including Khmer New Year (April 13–15), Pchum Ben (September/October), and the Water Festival (Bon Om Touk, late October/November). Businesses may be closed or slow to respond during these periods.
Sources
Supports time zone and cultural time attitudes
POPULAR DESTINATIONS
Whether you're reaching family in Phnom Penh, coordinating travel in Siem Reap, or connecting with contacts in Battambang, here's what you need to know.
Phnom Penh
Phnom Penh is the political, economic, and cultural center of Cambodia. Most international business, government offices, and NGO headquarters are located here. Area code: 23.
Best time to call: 8 AM – 6 PM ICT for business; 6 PM – 9 PM ICT for personal calls
Photo brief: Phnom Penh skyline Royal Palace Unsplash
Siem Reap
Siem Reap is Cambodia's tourism capital, home to the Angkor Wat temple complex. Many international calls here involve hotels, tour operators, and travel coordination. Area code: 63.
Best time to call: 9 AM – 5 PM ICT for hotels and tourism; evenings for family
Photo brief: Siem Reap Angkor Wat temple sunrise Pexels
Battambang
Battambang is Cambodia's second-largest city and an agricultural hub. It's known for its French colonial architecture and emerging arts scene. Area code: 53.
Best time to call: 8 AM – 5 PM ICT for business; evenings for personal
Photo brief: Battambang Cambodia colonial architecture Unsplash
Sihanoukville
Sihanoukville is Cambodia's main coastal city and port, increasingly important for business and tourism. It's also a hub for the country's submarine cable landing. Area code: 34.
Best time to call: 8 AM – 5 PM ICT for business; 6 PM – 8 PM ICT for personal
Photo brief: Sihanoukville Cambodia beach coast Pexels
Kampong Cham
Kampong Cham is a major provincial city on the Mekong River, important for agriculture and local commerce. Many Cambodians abroad maintain family connections here. Area code: 42.
Best time to call: 6 PM – 9 PM ICT for personal calls
Photo brief: Kampong Cham Mekong River Cambodia Unsplash
DIALING GUIDE
A quick reference for formatting Cambodian phone numbers correctly when calling from abroad. Cambodia's country code is +855.
When calling Cambodia internationally, always drop the leading 0 from the local number. Landlines use a 2–3 digit area code followed by 6–7 subscriber digits. Mobile numbers use an operator prefix followed by 6–7 subscriber digits.
+855 [operator prefix] [subscriber number]
+855 [area code] [subscriber number]
| City / region | Code |
|---|---|
| Phnom Penh | 23 |
| Siem Reap | 63 |
| Battambang | 53 |
| Sihanoukville | 34 |
| Kampong Cham | 42 |
| Kampot | 33 |
| Kratie | 72 |
| Kandal | 24 |
| Pursat | 52 |
| Takeo | 32 |
Sources
Primary source for numbering plan, area codes, and format rules
Official ITU numbering plan document for Cambodia
FREQUENTLY ASKED QUESTIONS
Answers to the most common questions about calling Cambodia — from dialing formats and rates to connectivity and timing.
Have a question not covered here? Our support team is happy to help.
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