The +82 country code is the international dialing prefix for South Korea, enabling global callers to reach Korean phone numbers. Understanding how to use this code correctly helps travelers, businesses, and families connect reliably across borders.
Proper formatting, carrier selection, and regional rules affect call success and costs when using +82. This article outlines practical details for users who need to dial or manage Korean numbers from abroad.
Global Dialing Format and Structure
| Component | Example Value | Description |
|---|---|---|
| International Prefix | 00 or + | Varies by country; 00 on most landlines, + on smartphones when stored in international format. |
| Country Code | 82 | South Korea’s country calling code, required to route the call to the correct nation. |
| Area Code | 2, 31, 51, 52, 53, 54, 55, 56, 57, 58, 61, 62, 63, 64, 70, 71, 72, 73, 74 | Dropped for most mobile numbers; used for landlines to specify cities or regions. |
| Subscriber Number | 12345678 | Local phone number without the leading 0 when dialing from overseas. |
Correct Way to Dial +82 Numbers
Mobile Numbers
When calling a Korean mobile number from another country, dial +82 followed directly by the 9-digit subscriber number, omitting the leading 0. For example, +82 10-1234-5678.
Landline Numbers
For Korean landlines, dial +82, then drop the leading 0 from the area code, followed by the local number. For example, calling Seoul landline 02-1234-5678 becomes +82 2-1234-5678 from overseas.
Common Mistakes and How to Avoid Them
Misplacing the leading 0, using an outdated format, or confusing +82 with similar codes can lead to failed calls. Double-check number length and dialing rules before placing a call.
Business and Customer Service Use
Companies that serve Korean clients often configure virtual numbers or toll-free lines with +82 to simplify inbound contact. Support teams follow strict formatting to ensure calls reach the correct department quickly.
Regional Considerations and Network Rules
Certain carriers impose restrictions on international toll routes, and rural areas may have limited coverage. Verifying roaming agreements and local regulations improves reliability for long-term stays or operations.
Best Practices for Using +82
- Always dial your country’s international access code before +82.
- Drop the leading 0 from Korean numbers when using the international format.
- Double-check area codes for landlines, as they impact routing and reachability.
- Use the + symbol or your phone’s international dialing setting to ensure correct formatting.
- Verify roaming or VoIP settings with your carrier to reduce unexpected charges.
FAQ
Reader questions
Can I use +82 from any country to call South Korea?
Yes, +82 works from nearly every country, but you must dial your own international access prefix first, such as 00 or 011, depending on your location.
Do I need to include the area code when calling a Korean mobile number?
No, mobile numbers in South Korea do not require an area code; you dial +82 followed directly by the 9-digit subscriber number without the leading 0.
Will calling a Korean landline without the area code still connect?
No, landlines require the correct area code with the leading 0 dropped; otherwise the network cannot route the call to the intended city or region.
How can I format a Korean number in my contacts to avoid dialing errors?
Save numbers in international format starting with +82, including the appropriate area code for landlines and the full 9-digit mobile number, so devices handle dialing automatically.