How to call
Oklahoma,
United States
from
Vietnam
Dial the following international dialing codes:
00 + 1 + City Code + Local Number
How to call Oklahoma in United States from Vietnam:
00 - Exit code when making an international call from Vietnam
1 - US country code for inbound calls
00 + 1 + City Code + Local Number - International dialing code format
World time zone information:
The time in Vietnam is now 09:23:33 AM(09:23:33 AM)
The time in Oklahoma United States is now (CLICK FOR TIME ZONES)
Save on your call:
, Oklahoma
Mobile codes:
To call a mobile phone in United States from Vietnam use the following dialing code format: 00 + 1 + The Number Click here to search for another mobile country code.
The Oklahoma, United States area code chart below gives you the necessary information for calling Oklahoma cities. For international dialing instructions to Oklahoma, United States, use our drop down boxes at the top of this page or check out our easy-to-use country code search tool.
We hope Country Calling Codes has helped you make your international call from Vietnam to the state of Oklahoma, United States. Why not bookmark this page, then tell a friend how easy it is to find international country codes and area codes at CountryCallingCodes.com!
How to call Oklahoma in United States from Vietnam:
World time zone information:
Save on your call:
Mobile codes:
