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

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

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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