South Korea country code, +82 explained.
Everything you need to call South Korea with Twiching — full dialing format, step-by-step guide, and Tier-1 CLI routes that land every call.
South Korea
Seoul · Asia
· COUNTRY INFO · VERIFIED
ISO Alpha-2
KR
Capital
Seoul
Region
Asia
Timezone
UTC+9
· DIALING GUIDE · VERIFIED
FULL DIAL FORMAT
011 · +82 · XX · XXXXXXXX
How South Korea numbers break down
A complete number to South Korea follows this pattern. Twiching adds the exit and country codes automatically when you dial from the app.
EXIT CODE
Dial from the US/Canada to leave the country.
COUNTRY CODE
Routes the call directly into South Korea.
AREA / MOBILE
Regional or mobile prefix — drop the leading 0.
LOCAL NUMBER
The subscriber's local number.
COMPLETE NUMBER FORMAT
011 · +82 · XX · XXXXXXXX
South Korea on the map
Seoul · Asia
ROUTE
Tier-1 Direct
CLI
Verified
ASR
60%+ min
South Korea virtual phone numbers, built for business
Instead of leasing a physical line in South Korea, a Twiching SIP trunk routes your existing PBX or softphone traffic through a local +82 number — same call quality, none of the on-the-ground infrastructure.
Local +82 caller ID
Calls display a recognisable South Korea number instead of an unfamiliar international one.
SIP trunking
Route your existing PBX or softphone through Twiching's Tier-1 trunk — no hardware swap.
Minutes to provision
Numbers activate in the dashboard the same day, with no on-the-ground carrier contract.
+82
South Korea · ready to provision today
Built for reliable delivery into South Korea
South Korea isn't treated as a secondary market — it runs on the identical direct-carrier routing and delivery guarantees as every other country in the directory.
South Korea
+82
191
Countries in directory
SOUTH KOREA INCLUDED
99.97%
Call delivery rate
STIR/SHAKEN
500+
Carrier interconnects
TIER-1 DIRECT
60%+
Guaranteed ASR
REAL-TIME ROUTING
How South Korea phone numbers are structured
Numbering Format
COUNTRY
+82
AREA
XX
LOCAL
XXXXXXXX
South Korea uses an open numbering plan under country code +82. After the country code, a 2-digit area or mobile prefix is followed by a 8-digit subscriber number, giving a 10-digit national number. Domestic numbers are often written with a leading trunk "0" that is omitted when dialing South Korea from abroad.
Carriers & language
South Korea has 97% internet penetration and is served by 3 major mobile networks (SK Telecom, KT Corporation, LG Uplus). VoIP is permitted and regulated by Ministry of Science and ICT (MSIT) / Korea Communications Commission (KCC). The local currency is KRW and the primary language is Korean, which shape IVR prompts, SMS content, and business-hours handling.
Asia context
Asian markets range from fully liberalised to licensed-only VoIP, so compliant routing and correct local caller ID have an outsized effect on answer rates.
Skipping the exit code
Reaching South Korea from the US requires the 011 exit code ahead of +82 — skip it and the call won't connect.
Keeping the national trunk "0"
If a South Korea number is written with a leading 0 for domestic use, omit that 0 after the +82 country code when calling from abroad.
Ignoring the time difference
UTC+9 governs local business hours in South Korea; confirm the time there before placing the call.
Compliance, carriers & rates for South Korea
Permitted — MSIT regulated
Regulated by Ministry of Science and ICT (MSIT) / Korea Communications Commission (KCC)
Ministry of Science and ICT (MSIT) / Korea Communications Commission (KCC) permits VoIP in South Korea without special licensing for compliant operators, which keeps setup straightforward — no separate approval process stands between signing up and placing the first call.
- VoIP is fully permitted; providers must register with MSIT under the Telecommunications Business Act.
- Personal Information Protection Act (PIPA) imposes strict data privacy obligations.
- Emergency call support (112/119) is mandatory for all registered VoIP providers.
Direct Tier-1 interconnect with SK Telecom — no wholesale transit in between.
US → South Korea
$0.010/min
South Korea → US
$0.012/min
Billed per second, not rounded to the minute
How businesses use a South Korea number
Seoul-recognisable numbers
Callers in Seoul and across South Korea see a familiar +82 prefix rather than a number they don't recognise and won't pick up.
Sales & support in one line
The same South Korea number handles inbound support and outbound sales calls, both landing on Tier-1 routes into SK Telecom and the wider network.
Time-zone-aware routing
Calls into South Korea route to whichever team is on shift for UTC+9, instead of ringing a desk that's already gone home.
SIP trunking for market entry
Stand up a South Korea presence on SIP trunking before committing to local infrastructure — the same number scales from a pilot to full local hiring.
FAQ
Calling South Korea — frequently asked questions
The subscriber portion of a South Korea number is 8 digits, after the country code and area/mobile prefix. That's the part that identifies the specific line once the call has been routed to the right network.
Seoul is the capital of South Korea. A local +82 number is recognisable to callers there and nationwide, which is part of why presenting local caller ID tends to improve answer rates across the whole country, not just the capital.
Korean is the primary language in South Korea — IVR prompts, SMS copy, and support scripts should be written in it for the best response rates. Getting the greeting and menu options right in the local language is often the difference between a caller staying on the line or hanging up.
Ministry of Science and ICT (MSIT) / Korea Communications Commission (KCC) is the regulator for South Korea. Twiching routes calls in line with its rules for compliant, licensed termination, rather than relying on unlicensed grey routes that can be blocked or degraded.
Yes — since South Korea runs on UTC+9, calls can be routed to the right team based on local business hours there. That's especially useful for support or sales teams covering multiple countries across different time zones from one platform.
SK Telecom is among the largest networks in South Korea, and Twiching interconnects directly with it for Tier-1 delivery. Direct interconnects like this are what keep call quality and answer rates consistent instead of relying on lower-tier transit.
Full country code directory
Asia is fully covered in Twiching's 191-country directory. Jump to any of the markets below for the same level of detail shown on this South Korea page. All 190 other countries are listed below, Asia first.
Get started
Get a South Korea number.
See what a real phone stack does.
Phone numbers, voice, SMS and AI on one account. Direct Tier-1 routing into South Korea from day one.
Compliance with applicable regulations required.