00 + 1
Dial 00 (exit code) + 1 (United States code)
Dialing Format
To call a United States phone number from Vietnam:
00 + 1 + [Area Code] + [Local Number]
Example: Calling New York City from Vietnam
00 1 212 [Local Number]
Where:
00 = Vietnam international exit code
1 = United States country code
212 = New York City area code (without leading 0)
[Local Number] = Local phone number in United States
Step-by-Step Instructions
- Dial 00 - This is Vietnam's international exit code
- Dial 1 - This is United States's country code
- Dial the area code (without the leading 0)
- Dial the local phone number
Important Notes
- Remove the leading 0 from United States area codes when dialing internationally
- For example, if the local number is 0212 123 4567, dial 00 1 212 123 4567
- Mobile numbers in United States may have different formats than landlines
Quick Facts
00
Vietnam Exit Code
+1
United States Country Code
011
United States Exit Code
Major United States Area Codes
Other Countries to Call from Vietnam
How to Call Andorra from Vietnam
How to Call United Arab Emirates from Vietnam
How to Call Armenia from Vietnam
How to Call Angola from Vietnam
How to Call Argentina from Vietnam
How to Call Austria from Vietnam
How to Call Australia from Vietnam
How to Call Azerbaijan from Vietnam
How to Call Bangladesh from Vietnam
How to Call Belgium from Vietnam