South Korea+82Tip: If the number starts with {prefix}, we'll remove it automatically for international dialing.
Check with your provider for international rates. Standard carrier charges may apply.
Dialing formula from United States to South Korea
To call South Korea from United States, dial: 011 + 82 + area code + local number
Example: 011 82 XX XXXX XXXX (where XX is the area code)

Current time and best calling window between United States and South Korea
Step-by-step calling South Korea from United States
- 1
Dial the United States Exit Code: 011
- 2
Enter the South Korea Country Code: +82
- 3
Input local South Korea area code and local number
- 4
Check the time zone and best time to call: UTC+9
Alliance and family
The US-Korea connection spans military alliances, business partnerships, and family ties. Korean adoptees connecting with birth families, military personnel staying in touch from bases, and K-pop fans reaching out to Seoul—this corridor carries diverse conversations.
Everything you need to know about calling South Korea from United States
Connecting with friends, family, or business partners in South Korea from United States is straightforward when you understand the correct international dialing protocols. Whether you are calling a landline in Seoul or a mobile phone in a remote province, this guide ensures your call connects on the first attempt.
The dialing sequence explained
To place your call, you must first signal to your local carrier that you are making an international call by dialing the Exit Code (IDD). For United States, this code is 011.
Once you have exited the local network, you must enter the Country Code (ISD) for South Korea, which is +82. This tells the global switching system to route your call specifically to South Korea's infrastructure.
Important rule on the trunk prefix
A common point of confusion is the 'Trunk Prefix'—usually a 0. In domestic calls within South Korea, this digit is used to signal a long-distance call. However, when calling internationally, this prefix must be omitted. If the local number you have is 012345678, you would only dial 12345678 after the country code.
Check the local time zone and scheduling considerations
Before you dial, consider the significant time difference. South Korea is currently 14 hours ahead of United States. While it might be mid-afternoon for you in New York City, it could be the middle of the night in Seoul.
Our live tracker shows that it is currently 04:58 in South Korea. Based on standard business hours (09:00 to 17:00), we categorize this time as Night Hours. Calling during 'Social Hours' (07:00–09:00 or 17:00–21:00) is generally acceptable for personal calls, but we recommend avoiding 'Night Hours' (21:00–07:00) unless it is an emergency.
Cost-saving tips
International carrier rates can be high. For longer conversations, consider using data-based platforms or checking with your provider for international calling bundles specifically for the United States to South Korea corridor. Finally, save contacts in the '+' format to avoid manual dialing in the future.




