FactBook

The information shown below was provided by representatives of the carrier shown. The International Inbound Services Forum does not warrant the accuracy of the information and assumes no liability for errors.
General
CountryKorea, Republic of 
CarrierKorea Telecom 
Last edited (yyy-mm-dd)2013-06-14 
Number formats
Outbound Freephone00798 xx(x) (xxx) xxxx(x) 
Domestic Freephone080 xxx xxxx 
International Access Code001 
Service offerIFSUIFN
InboundYes Yes 
DomesticNo No 
Home Country Direct InboundYes Yes 
OutboundYes Yes 
Home Country Direct OutboundYes Yes 
CLI provided on outbound callsYes Yes 
Outbound simultaneous call limit and defaultNo limit No limit 
Call chargeIFSUIFN
Free or chargeablefree free 
Remark
Number accessibility within countryIFSUIFN
Accessible from PABXsYes, unless barred Yes, unless barred 
Accessible from HotelsYes, unless barred
Hotel surcharges may apply 
Yes, unless barred
Hotel surcharges may apply 
Accessible from phones with international call barringNo No 
Geographic restrictionsNone None 
Islands/teritories included in dialplan
Accessible through other carriers/networks in countryYes Yes 
Full country coverage provided by a single carrierYes Yes 
Telephone include alpha charactersNo 
Access from payphonesIFSUIFN
Coins or cards neededPress "emergency call" button or
Insert a 100won coin(returned ) 
Press "emergency call" button or
Insert a 100won coin(returned) 
Payphone
operator
To be
recognized
IFS
access
free /
charged
UIFN
access
free /
charged
HCD
access
free /
charged
KT  Olleh KT or KT public phone Yes, unless barred Free  Yes, unless barred Free  Yes Free  
Remarks on payphone accessCan not access from some payphones which barred International calls. 
Access from
mobile operators
Number
ranges
IFS
access
free /
charged
UIFN
access
free /
charged
HCD
access
free /
charged
KT, Sktelecom, LGU+ 01x xxxx xxxx  Yes Free Yes Free Yes Free  
Remarks on mobile accessibilityCan not access from prepaid mobile phone. 
Number accessibility from abroadIFSUIFN
IFS numbersNo N.a.
Domestic freephonenumbersNo N.a.
DTMF Capability
Required for accessYes 
% of payphones with DTMF100% 
100% by whenNow 
Number PortabilityIFSUIFN
Domestic to internationalNo All UIFN's portable as required by ITU-T rec. E.169
International to domesticNo 
International between countriesNo 
International between carriersNo 
Domestic or international between carriers within countryNo 
Single SOF portability supportedNo  
Number for callers to report trouble100, KT customer service center 100, KT customer service center 
Directory serviceIFSUIFN
PrintedNo No 
Operator assistedNo No 
InternetNo No 
Aging period for disconnected numbers2 Months N.a.
Service provisioning leadtime7 working days 7 working days 
Related servicesInboundOutbound
Offers international shared costNo No 
Offers international premium rateNo No 
Does agree to use transit for IFS/HCDNo No 
Is willing to act as transit carrier for IFS/HCDYes 
Offers wholesale IFSNo 
Internet links
Carrier homepagewww.kt.com/eng/main.jsp 
For additional informationwww.olleh.com 
Regulator 
Public holiday information