Telephone numbers in South Korea

Telephone numbers in South Korea are organized and assigned using the following scheme

Telephone numbers in South Korea
Location
CountrySouth Korea
ContinentAsia
RegulatorMinistry of Science and ICT
Typeclosed
NSN length8, 9, 10
Format0XX-XXX-XXXX
0XX-XXXX-XXXX
Access codes
Country code+82
International access00xyy (where xyy is the international carrier selection code)
Long-distance0

Overview
  • International call out: 00N (where N is the carrier code) followed by the distant country code and telephone number.
  • Calling into Korea: +82 XX XXXX YYYY. The leading "0" is dropped when dialling into South Korea from abroad.
  • Some 1566/1577/1588 telephone numbers cannot be dialed from abroad.
  • Domestic long-distance call: 0NN (where NN is the carrier code) followed by the 0XX area code and XXXX YYYY number. See Domestic long-distance service code and Area code.
  • Call to cellular : 01N XXXX YYYY (see Mobile phone number). When phone call is made between unified 010-number subscribers, leading 010 can be dropped (XXXX YYYY).
  • Special service call : 0N0 XXXX YYYY (see Special service)

For example;

  • Call 02-312-3456 within Seoul: 312-3456
  • Call 02-312-3456 from elsewhere: 02-312-3456
  • Call 051-212-3456 within Busan: 212-3456
  • Call 051-212-3456 from elsewhere: 051-212-3456
  • Call 02-312-3456 from abroad: +82-2-312-3456

South Korea uses an open dialing plan with a total length (including 0) of 9 to 11 digits and, within city, subscriber numbers 7 to 8 digits long. Dialing from mobile phones to any type of phone except 010 numbers, the area code must be included.

In 1998, telephone numbers in Seoul starting with 2 and 6 added more digit (02-2XX-YYYY to 02-22XX-YYYY, 02-6XX-YYYY to 02-26XX-YYYY). Before area codes were shortened from 4 digit to 2~3 digit in June 2000, there were 1 digit exchange number (usually "2") with some 2 digit exchange numbers so some phone numbers like 0347-61-XXXX, 0443-2-XXXX or 0525-40-XXXX existed. (now 031-761-XXXX, 043-652-XXXX and 055-340-XXXX)

Full list

International call carrier codes
  • 001 - KT international call
  • 002 - LG U+ international call
  • 003xx - International call over Internet Protocol or international special services
    • 00365 - Sejong Telecom international call over Internet Protocol
  • 005 - SK Broadband international call (Higher quality than the 5 digit prefix service from the same company)
  • 006 - SK Telink international call (Higher quality than the 5 digit prefix service from the same company)
  • 007xx - International call over Internet Protocol or international special services
    • 00700 - SK Telink international call over Internet Protocol
    • 00727 - KT international call over Internet Protocol
    • 00766 - SK Broadband international call over Internet Protocol
    • 00794 - Operator Service
  • 008 - Sejong Telecom international call (Higher quality than the 5 digit prefix service from the same company)

Mobile prefixes
  • 010 - Mobile (All South Korea Mobile Phone Companies, from Jan 1, 2004)
  • 011 - Mobile (SK Telecom, until Dec 31, 2003)(All South Korea Mobile Phone Companies, from Jan 1, 2004)
  • 012 - Machine to machine (Former Beeper)
  • 013xx - Mobile special net (wireless vessels etc.)
  • 014xx - Point-to-Point Protocol Access number
  • 015 - Mobile services: Paging services
  • 016 - Mobile (KT, until Jun 30, 2003)(All South Korea Mobile Phone Companies, from Jul 1, 2004)
  • 017 - Mobile (SK Telecom, until Dec 31, 2003)(All South Korea Mobile Phone Companies, from Jan 1, 2004)
  • 018 - Mobile (KT, until Jun 30, 2003)(All South Korea Mobile Phone Companies, from Jul 1, 2004)
  • 019 - Mobile (LG U+, until Dec 31, 2004)(All South Korea Mobile Phone Companies, from Jan 1, 2005)

Services
  • 030 - UMS
  • 050 - Personal number service
  • 050x - Anonymous virtual number service
  • 060 - Telephone based intelligent service (Premium-rate)
  • 070 - Internet phone (VoIP)
  • 080 - Toll-free call (some aren't free from mobiles)

Area codes

Before June 2000, South Korea used two- to four-digit area codes.

Domestic long-distance carrier codes

It is not necessary to dial any carrier prefix before making a domestic long-distance call. These prefixes are needed only when you want to choose a different carrier other than your default long-distance carrier (usually the same company that provides your phoneline).

  • 081 - KT
  • 082 - LG U+
  • 083 - Sejong Telecom
  • 084 - SK Broadband
  • 085xx - [Domestic long-distance Value Added Service (VAS)]
  • 086 - SK Telink
  • 087 - (Currently not in use)
  • 088 - (Currently not in use)

Special numbers
  • 100 - KT customer center
  • 101 - LG U+ Home Service customer center
  • 106 - SK Broadband customer center
  • 107 - Video relay service
  • 111 - NIS
  • 112 - Police
  • 113 - Spy reporting
  • Area Code + 114 - Directory assistance (Korea Info Service)
  • 115 - KT Telegram
  • 116 - KT standard time service
  • 117 - School Violence Hotline (from 2012, previously: report sexual trafficking of women)
  • 118 - Cyber terrorism report
  • 119 - Fire brigade, ambulance
  • 120 - Lifestyle service
  • 121 - Water utility report
  • 122 - Coast guard emergency
  • 123 - KEPCO electric report
  • 125 - Smuggling report
  • 127 - Narcotics report
  • 128 - Pollution report
  • 129 - Coordination with social welfare service (after October 2005)
  • 1300 - Postal services
  • 1301 - Prosecutor service
  • Area Code + 131 - Weather forecasting
  • 132 - Civil Action (Korea Legal Aid Corporation - for contract disputes)
  • 1330 - KNTO tourist information (bus·train schedule, hotel·inn information, free translation service)
  • 1331 - Human Rights Board
  • 1332 - Finance Board
  • 1333 - Transport information
  • 1335 - Information communication service center
  • 1336 - Infringement of personal information board
  • 1337 - Military Safety Board
  • 1338 - Communications service center and report
  • 1339 - Emergency medical treatment
  • 134 - Tourist information
  • 1345 - Immigration Contact Center (multilingual support)
  • 1350 - Labor Board
  • 1355 - National Pension Service
  • 1357 - Small and medium enterprise support
  • 1365 - Volunteering information
  • 1366 - Domestic abuse report
  • 1369 - Financial Information Inquiry
  • 1377 - Foodbank
  • 1379 - Unreasonable infringement of livelihood report
  • 1382 - Citizen Registry Confirmation
  • 1385 - Business discomfort report and board
  • 1388 - Minor mistreatment report
  • 1389 - Elderly abuse hotline and board
  • 1390 - Election information and infringement hotline
  • 1391 - Baby abuse hotline
  • 1398 - Child abuse hotline
  • 1399 - Unclean grocery report
  • 141 - Contact room (KT)
  • 182 - Missing child report hotline
  • 188 - National Board of Audit and Inspection

Collect call
  • 082-17,1677 - uplus (Dacom) Collect call
  • 1541 - KT Collect call
  • 1677 - Sejong Telecom Collect call
  • 1682 - SK Telink Collect call

Intelligent Network
  • 14XXXXXX
  • 15XXXXXX
    • 1544-XXXX - LG Dacom(LG U+) nationwide single number service
    • 1566-XXXX - SK Broadband nationwide single number service
    • 1577-XXXX - KT nationwide single number service
    • 1588-XXXX - KT nationwide single number service
    • 1599-XXXX - SK Telink nationwide single number service
  • 16XXXXXX
    • 1661-XXXX - LG U+ nationwide single number service
    • 1688-XXXX - Sejong Telecom nationwide single number service

See also

References
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