00 - Vietnam exit code to dial first when calling international
257 - Burundian country code must be dialed next
00 +
257 +
Local Number - Overall dialing code format
World Times:
The time in Vietnam is now 00:13:34 AM(12:13:34 AM)
The time in Burundi is now 19:13:34 PM(07:13:34 PM)
How to call Burundi from Vietnam:
World Times:
Mobile Codes: