How to call United States from Vietnam:
00 - 1 -
* Use also to TEXT American numbers. ** 001 and +1 often work interchangeably from cell phones.
Current time in Washington DC, United States:
This country uses multiple time zones
More info:
- Area code locator - Find the area code for a US city or browse codes to see their locations
- Official area code maps - from the North American Numbering Plan Administrator
- Lincmad - Area code maps and tables
Phone books and visitor guides:
- Yelp - business listings and reviews
- White Pages - people and business search
Traveling to United States?
- Single emergency number: 911
- Dialing emergency abroad
- Stay connected with Airalo eSIM cards
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