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
CountryJapan 
CarrierKDDI 
Last edited (yyy-mm-dd)2015-10-01 
Number formats
Outbound Freephone00531 XX(X) XXXX 
Domestic Freephone0120 XXX XXX, 0077 X XXX and 0800 XXX XXXX 
International Access CodeFor UIFN : 010 (KDDI pre-selected phones) or 001 010 (payphone, mobile phones and non KDDI pre-selected) 
Service offerIFSUIFN
InboundYes Yes 
DomesticNo No 
Home Country Direct InboundYes N/A 
OutboundYes Yes 
Home Country Direct OutboundYes N/A 
CLI provided on outbound callsNo No 
Outbound simultaneous call limit and defaultNo limit, no default No limit, no default 
Call chargeIFSUIFN
Free or chargeableFree Free 
Remark
Number accessibility within countryIFSUIFN
Accessible from PABXsYes, in most cases Yes, in most cases 
Accessible from HotelsYes, in most cases Yes, in most cases 
Accessible from phones with international call barringNo No 
Geographic restrictionsNone None 
Islands/teritories included in dialplan
Accessible through other carriers/networks in countryYes, Prefixes of other carrires are not accessible from KDDI direct fixed phone service package over country. Yes, In the case implemented only by KDDI, 001-010+800 XXXX XXXX or 122-001-010+800 XXXX XXXX is accessible from other carriers┬┤ pre-selected phones over country. Only KDDI line is selectable from KDDI┬┤s direct fixed phone service package over country. 
Full country coverage provided by a single carrierYes: KDDI, NTT Communications, Softbank Telecom Yes: KDDI, NTT Communications, Softbank Telecom. Could be better to be implemented by each carrier. 
Telephone include alpha charactersNo 
Access from payphonesIFSUIFN
Coins or cards needed100 yen coins or prepaid card required, returned after the call. No access 
Payphone
operator
To be
recognized
IFS
access
free /
charged
UIFN
access
free /
charged
HCD
access
free /
charged
NTT East Green or Gray payphone Yes Free No Green or Gray payphone Free 
NTT West Green or Gray payphone Yes Free No Green or Gray payphone Free 
Remarks on payphone access 
Access from
mobile operators
Number
ranges
IFS
access
free /
charged
UIFN
access
free /
charged
HCD
access
free /
charged
au(KDDI) 070 XXXX XXXX,
080 XXXX XXXX,
090 XXXX XXXX 
Yes Free Yes Free Yes Free 
NTT Docomo 070 XXXX XXXX,
080 XXXX XXXX,
090 XXXX XXXX 
Yes Free Yes Free Yes Free 
Softbank Mobile 070 XXXX XXXX,
080 XXXX XXXX,
090 XXXX XXXX 
Yes Free Yes Free Yes Free 
Remarks on mobile accessibility 
Number accessibility from abroadIFSUIFN
IFS numbersNo N.a.
Domestic freephonenumbersNo N.a.
DTMF Capability
Required for accessNo 
% of payphones with DTMF100% 
100% by when
Number PortabilityIFSUIFN
Domestic to internationalNo All UIFN's portable as required by ITU-T rec. E.169
International to domesticNo 
International between countriesYes 
International between carriersYes 
Domestic or international between carriers within countryNo 
Single SOF portability supportedYes Yes 
Number for callers to report trouble0057, International Telephone Center 0057, International Telephone Center 
Directory serviceIFSUIFN
PrintedNo No 
Operator assistedYes Yes 
InternetNo No 
Aging period for disconnected numbersMore than 1 year N.a.
Service provisioning leadtime5 working days 5 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/HCDNo 
Offers wholesale IFSNo 
Internet links
Carrier homepagewww.kddi.com/english/ 
For additional informationglobal.kddi.com/ 
Regulatorwww.soumu.go.jp/english/index.html 
Public holiday information