+82 is the country code for South Korea.
Every phone number in South Korea starts with +82 when you call it from another country. From the US, dial 011 82, then the number without its first 0.
- Time there
- Seoul timeKorean Standard Time, UTC+9, no daylight saving
- From the US or Canada
- 011 82 10 2000 0000
- From the UK and most of Europe
- 00 82 10 2000 0000
- From Australia
- 0011 82 10 2000 0000
- From any mobile phone
- +82 10 2000 0000
- Inside South Korea
- 010-2000-0000
- Mobile numbers
- 9 to 10 digits after +82, starting 10, 11, 12, 16, 17, 18 or 19
- Landlines
- 5 to 10 digits after +82, such as +82 2 XXXX XXXX in Seoul
- Toll-free numbers
- Start with 080, 007 or 030
Check a +82 number to see whether it is a mobile, a landline or VoIP.
Pick the country, enter the number without the +82, and the free check shows whether it is valid and whether it is a mobile, a landline or VoIP.
Mobile numbers in South Korea start with 1, and this table shows which networks first issued each start.
| At home | From abroad | First issued by |
|---|---|---|
| 010 | +82 10 | SKTellink, KT, LG U+ |
| 011 | +82 11 | SKTellink |
| 012 | +82 12 | KT |
| 016 | +82 16 | KT |
| 017 | +82 17 | SKTellink |
| 018 | +82 18 | KT |
| 019 | +82 19 | LG U+ |
People keep their number when they switch networks, so the start shows where a number began. Our free number portability lookup shows the network it is on today.
17 landline areas cover South Korea, from 02 in Seoul to 064 in Jeju.
| At home | From abroad | Area |
|---|---|---|
| 02 | +82 2 | Seoul |
| 031 | +82 31 | Gyeonggi |
| 032 | +82 32 | Incheon |
| 033 | +82 33 | Gangwon |
| 041 | +82 41 | Chungnam |
| 042 | +82 42 | Daejeon |
| 043 | +82 43 | Chungbuk |
| 044 | +82 44 | Sejong City |
| 051 | +82 51 | Busan |
| 052 | +82 52 | Ulsan |
| 053 | +82 53 | Daegu |
| 054 | +82 54 | Gyeongbuk |
| 055 | +82 55 | Gyeongnam |
| 061 | +82 61 | Jeonnam |
| 062 | +82 62 | Gwangju |
| 063 | +82 63 | Jeonbuk |
| 064 | +82 64 | Jeju |
In South Korea, the phone number format for apps and SMS gateways is +82 followed by the number without its 0.
| Written | Example | Where you see it |
|---|---|---|
| At home | 010-2000-0000 | Business cards, local ads |
| International | +82 10 2000 0000 | Websites, email signatures |
| E.164 | +821020000000 | APIs, SMS gateways, CRMs |
A missed call from a +82 number you don't know can be a one-ring scam, so check it before calling back.
One-ring scams call once and hang up, hoping you call back a line that bills you international or premium rates.
- Don't call back an international number you don't know. A real caller leaves a message or sends a text.
- Check the number in the box above. A number that is not a working mobile or landline in South Korea is a warning sign.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report it at reportfraud.ftc.gov, and see the FCC's guide to one-ring scams.
The codes next to +82 belong to other countries, so one wrong digit reaches a different place.
These are the questions people ask most about +82.
Which country uses the +82 country code?
South Korea. Every phone number there starts with +82 when it is dialed from abroad.
How do I call South Korea from the US?
Dial 011, then 82, then the number without its first 0. A mobile number written 010-2000-0000 at home is dialed 011 82 10 2000 0000 from the US, or +82 10 2000 0000 from any mobile phone.
Is +82 the same as 0082?
Yes. 00 is the exit code used in most of the world, and the + on a mobile phone stands in for whatever exit code your network uses. From the US and Canada the exit code is 011 instead.
How many digits is a phone number in South Korea?
A mobile number has 9 to 10 digits after +82, written 010-2000-0000 at home. A landline has 5 to 10 digits, written 02-XXXX-XXXX at home.
What time is it in South Korea?
South Korea is on Korean Standard Time, UTC+9, all year. It does not use daylight saving time.
How do I check a +82 number that called me?
Enter it in the box above. The free check shows whether it is a valid number from South Korea and whether it is a mobile, a landline or a VoIP line, which helps you spot a one-ring scam before you call back.
Sources: Google's libphonenumber numbering data for lengths, mobile starts, area code places, first-issuing networks and time zones, as of September 24, 2026; the ITU list of country codes.