What's the country code for Cambodia?

Cambodia's country code is +855. When calling from South Korea, dial 00 or + followed by 855 and the local number.

How much does it cost to call Cambodia from South Korea?

Sayfone offers transparent per-minute rates starting at 18¢/min for calls to Cambodia. Rates are shown before you place the call, with transparent pricing.

Do I need to use an app to call Cambodia?

No. Sayfone is browser-based, so you can call directly from your browser without downloading an app.

What's the time difference between South Korea and Cambodia?

Cambodia is 2 hours behind South Korea year-round. When it's noon in South Korea, it's 10 AM in Cambodia.

Can I call Cambodian mobile numbers?

Yes. Cambodian mobile numbers start with 9, 8, or 7 and don't require an area code. Dial +855, then the full mobile number.

What if my call doesn't go through?

Verify the number includes the country code (+855) and area code (for landlines). If the issue persists, check that international calling is enabled on your account and try again during business hours.

Quick Answer

Call Cambodia from South Korea

To call Cambodia from South Korea, dial +855, the area code, and the local number. Sayfone offers transparent per-minute rates starting at 18¢/min.

Start calling

Cost tools

🇰🇷From South Korea

To Cambodia🇰🇭

$0.18

Per minute

+855

Country code

Call quality

Landline rate

$0.18/min

Mobile rate

$0.18/min

Same per-minute Sayfone rate for landline and mobile.

Average call quality

Steps at a glance

Dial +855 (Cambodia country code)
Enter the area code and local number
Place the call from your browser

DIALING INSTRUCTIONS

How to Dial Cambodia from South Korea

Follow these simple steps to complete your call to Cambodia.

1
Exit the South Korean phone system
Dial the international access code 00 (or + on mobile) to signal an international call.
```
00 or +
```
2
Enter Cambodia's country code
Dial 855, the country code for Cambodia.
```
00 855 or +855
```
3
Dial the area code
Enter the area code for the city or region in Cambodia (e.g., 23 for Phnom Penh, 63 for Siem Reap). Drop the leading 0 if one exists in the local format.
```
+855 23 (Phnom Penh)
```
4
Enter the local number
Complete the call by dialing the subscriber's 6–8 digit local number.
```
+855 23 123456
```

Dialing format reference

+855

Use these patterns when entering a full international number to +855.

Mobile

+855 [9–10 digit number starting with 9, 8, or 7]

Landline

+855 [area code] [6–8 digit local number]

+855 23 123456 (Phnom Penh landline)
+855 92 123456 (Cambodian mobile)
+855 63 555789 (Siem Reap landline)

Major city area codes

Phnom Penh23

Siem Reap63

Sihanoukville34

Battambang53

Sources

1
International Telecommunication Union (ITU) — Country Code Reference

DIALING RULES

Key Dialing Rules for Cambodia

Understand the formatting rules that apply when dialing Cambodian numbers from abroad.

Use the +855 prefix when calling internationally

Always dial +855 (or 00 855 from South Korea) followed by the area code and local number. Do not use the domestic 0 prefix when calling from abroad.

Mobile numbers begin with 9, 8, or 7

Cambodian mobile numbers start with 9, 8, or 7 and are typically 9–10 digits long after the country code. No area code is required for mobile calls.

Landline numbers require an area code

Landline calls to Cambodia require both the area code (e.g., 23 for Phnom Penh) and a 6–8 digit local number. Always include the area code when dialing.

Omit the leading 0 from local formats

If you see a Cambodian number written with a leading 0 (domestic format), drop it before adding the country code and area code.

BEST TIMES TO CALL

Timing Tips for Calling Cambodia

Cambodia and South Korea are close in time, but planning your call strategically improves connection quality and reduces costs.

Time & windows

South Korea

UTC+9

Year-round (no DST)

Cambodia

UTC+7

Year-round (no DST)

🇰🇷Best calling window

9 AM–6 PM Cambodia time (11 AM–8 PM South Korea time)Most businesses and households are active; network congestion is typically moderate.

🇰🇷Avoid early morning

Before 8 AM Cambodia time (10 AM South Korea time)Many recipients are unlikely to be available.

🇰🇷Evening calls

6 PM–10 PM Cambodia time (8 PM–12 AM South Korea time)Acceptable for casual calls; late-night calls in South Korea may not suit business conversations.

Calling tips

Test your connection during business hours to ensure call quality before important conversations.
Confirm time zones with the recipient to avoid calling outside their availability window.
Use a headset or hands-free setup for calls longer than 10 minutes to ensure comfort.

Business etiquette

In Cambodia, business calls are traditionally formal; begin with a polite greeting and introduce yourself clearly.
Avoid calling on Khmer public holidays; check the Cambodian calendar before scheduling important calls.
If calling a business, verify the correct office hours and extension; Phnom Penh businesses typically operate 8 AM–5 PM.

TROUBLESHOOTING

Common Issues & Solutions

If your call doesn't go through, check these common causes and solutions.

Number not recognized

Ensure you've included the country code (+855) and area code. If dialing a mobile, verify the number starts with 9, 8, or 7. For landlines, confirm the area code (e.g., 23 for Phnom Penh).

Call drops or poor audio

Network congestion during peak hours (6–8 PM Cambodia time) can affect call quality. Try calling during business hours (9 AM–5 PM) or use a stable internet connection if calling via VoIP.

Cannot reach a specific number

Some special numbers (government offices, toll-free services) may have international calling restrictions. If a standard landline or mobile doesn't connect, verify the number and try again at a different time.

International access code not working

From South Korea, use 00 or + (on mobile) as the international access code, followed by 855 and the local number. If 00 doesn't work, confirm with your carrier that international calling is enabled.

Savings

See what you could save

Adjust the tools below to compare Sayfone with typical retail pricing for calls to Cambodia. Start with one call, then layer on monthly volume to see the bigger picture.

How to use these tools

Sayfone uses your live rate for calls to Cambodia — the same basis as the rest of this page.
First, estimate savings on a single call length. Then, model a full month of minutes versus typical retail benchmarks.
Retail competitor rows are illustrative — not a quote from any carrier.