How to call United States from South Korea
00Y(YY) - 1 - phone number
00Y(YY)1 and +1 are used interchangeably to dial US phone numbers from a mobile (more on the plus sign).
Current time in Washington DC, United States:
This country uses multiple time zones

When dialing from South Korea:
- Y(YY) is the carrier code of your operator of choice; here are some often used carrier codes: KT - 1, LG Uplus - 2, KT VoIP - 727; for example, using KT to dial internationally, 00Y(YY) = 001
- List of South Korean international carrier codes
Area codes & number examples
Location | Dialing format | Or using + |
---|---|---|
All areas | 00Y(YY) 1 xxx xxx xxxx | +1 xxx xxx xxxx |
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's - comprehensive maps and tables
Phone books and visitor guides:
- Yelp - business listings and reviews
- White Pages - people and business search