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

New search

Knowledge base

Traveling to United States?