How to call vietnam<br>Dial your country's exit code. When you want to call someone in vietnam and you're in a different country, the first thing you'll need to do is dial your country's exit code in order to get the call out of your country. These vary from country to country but many are 0-0 or 0-1-1.
Calls to vietnam when you're in a different country use 0-0 or 0-1-1 followed by the local area code. 
( z1 use :ARG0 ( z2 you ) :ARG1 ( z3 or :op ( z4 phone-number-entity :value 0-0-1 ) :op ( z5 phone-number-entity :value 0-1-1 ) :ARG1-of ( z6 follow :ARG2 ( z7 code :mod ( z8 area :ARG1-of ( z9 local ) ) ) ) ) :time ( z10 call :ARG0 z2 :ARG1 ( z11 country :name ( z12 name :op "Vietnam" ) ) :time ( z13 be-located-at :ARG1 z2 :ARG2 ( z14 country :ARG1-of ( z15 differ ) ) ) ) )