How to Call Laos from Cambodia
Calling Laos from Cambodia: 001 856 [local number].
Laos Country Code: +856
Quick answer
To call Laos from Cambodia, dial 001, then 856, then the local number without leading zeros. Example: 001 856 20 23 123 456. Calls cost from ~$0.27 per minute with CallTuv.
Plan before you dial with the international call cost calculator and the best time to call planner. Looking for a calling card alternative instead of the dialing instructions? Compare calling card alternatives.
Dialing format
001 856 20 23 123 456
Exit code • Country code • Local number
Exit code
001
Cambodia's international dialing prefix
Country code
+856
Laos's international calling code
Local number
20 23 123 456
Enter the local number without the country code
Browser format
+856 20 23 123 456
Use this format inside CallTuv
Whether you’re calling family, friends, or business contacts, knowing how to call Laos correctly helps your conversation start smoothly. This guide covers the essential dialing steps, including country and area codes that are easy to miss. By the end, you’ll be ready to connect confidently with anyone in Laos - whether you’re calling Vientiane or anywhere else.
Step-by-Step Dialing Guide
Follow these simple steps to make a call to Laos from Cambodia
Dial the exit code for Cambodia
Start by dialing 001 (or use + on mobile). This is the international dialing prefix for Cambodia.
Add Laos's country code
Dial the country code +856 for Laos.
Enter the local phone number
Dial the local phone number in Laos (typically 8-10 digits, without any leading zeros).
Complete dialing format
Full format: 001 856 [local number] - For example: 001 856 612 345 678
HOW TO CALL
International Dialing Format
CallTuv Format
No apps needed • Works in browser
See rates for Laos →Calling Laos from Cambodia: Calling Code, Local Time & More
Calling Code
+856
Cost to Call Laos
~$0.27/min
Capital of Laos
Vientiane
Region
Asia (South-Eastern Asia)
Currency of Laos
Lao kip (₭)
Laos Time Zones
UTC+07:00
Current time
Your time
--:--
Laos
--:--
Laos is --
Exit Code in Cambodia
001 (dial 001 (or + from mobile))
Route Dialing Pattern
001 856 20 23 123 456
Best Calling Window (Origin Time)
09:00-18:00
City & Area Codes for Laos
| City / Region | Area Code |
|---|---|
| Loungprabang | 856-71 |
| Mobile Phones | 856-20 |
| Pakse | 856-31 |
| Pakxan | 856-54 |
| Svannakhet | 856-41 |
| Thakhek | 856-51 |
| Vientiane (Capital) | 856-21 |
International Calling to Laos: FAQs
How do I call Laos from Cambodia?
To call Laos from Cambodia, dial the exit code 001, followed by the country code +856, then the phone number. For example, to call the number 20 23 123 456, you would dial: 001 856 20 23 123 456.
What is the country calling code for Laos when calling from Cambodia?
The country calling code for Laos is +856. To call Laos from Cambodia, dial +856 followed by the local phone number.
How do I make cheap calls to Laos when calling from Cambodia?
To make affordable calls to Laos from Cambodia, use CallTuv's browser-based calling service. Simply dial +856 followed by the local number. No app download required, and calls start at ~$0.27 per minute.
How much does it cost to call Laos when calling from Cambodia?
Calls to Laos cost ~$0.27 per minute with CallTuv, billed per minute with no subscription.View rates for Laos →
Can I use + instead of the exit code when calling Laos?
Yes. On mobile phones and in CallTuv, you can usually use +856 instead of dialing 001 856. The plus sign replaces the international exit code.
Should I remove leading zeros from Laos phone numbers?
In most international dialing formats, remove the trunk prefix or leading zero before the local Laos number, then dial +856. If the dialer shows a formatting warning, follow the corrected format before calling.
What is the best time to call Laos from Cambodia?
The capital-to-capital time gap is 0h (same time). A practical window in Cambodia is 09:00-18:00 local time, which maps to standard business hours in Laos.
