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 
CarrierNTT Communications 
Last edited (yyy-mm-dd)2014-12-18 
Number formats
Outbound Freephone0034 800 XX XXXX 
Domestic Freephone0120 XXX XXX 
International Access CodeUIFN: IAC = 010 (from NTTCommunications pre-selected phones), IAC = 0033 010 (from non NTTCommunications pre-selected phones and mobile phones) 
Service offerIFSUIFN
InboundYes Yes 
DomesticNo No 
Home Country Direct InboundYes 
OutboundYes Yes 
Home Country Direct OutboundYes 
CLI provided on outbound calls
Outbound simultaneous call limit and defaultNo limit and no default No limit and no default 
Call chargeIFSUIFN
Free or chargeableFree Free 
Remark
Number accessibility within countryIFSUIFN
Accessible from PABXsmostly Yes mostly Yes 
Accessible from Hotelsmostly Yes mostly Yes 
Accessible from phones with international call barringYes No 
Geographic restrictionsNone None 
Islands/teritories included in dialplan
Accessible through other carriers/networks in countryYes, from telephones of NTT East and NTT West, and most other mobile and local carriers (long distance and international carrier's direct access and NTT East or NTT West's "Hikari Denwa" are excluded) Yes, from telephones of NTT East and NTT West, and most other mobile and local carriers (long distance and international carrier's direct access and NTT East or NTT West's "Hikari Denwa" are excluded) 
Full country coverage provided by a single carrierYes: NTT Communications, KDDI, Softbank Telecom Yes: NTT Communications, KDDI, Softbank Telecom (It's recommended to be implemented by each carrier) 
Telephone include alpha charactersNo 
Access from payphonesIFSUIFN
Coins or cards needed100 yen coin or pre-paid 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 and Grey Int'l & Domestic, and silver IC Card Payphones Yes Free No Yes Free 
NTT West Green and Grey Int'l & Domestic, and silver IC Card Payphones Yes Free No Yes Free 
Remarks on payphone accessITFS accessible from payphones only if number begins with 0034 800 4. 
Access from
mobile operators
Number
ranges
IFS
access
free /
charged
UIFN
access
free /
charged
HCD
access
free /
charged
au(KDDI) 080 XXXX XXXX, 090 XXXX XXXX Yes Free Yes Free Yes Free 
E-Mobile 080 XXXX XXXX, 090 XXXX XXXX Yes Free Yes Free Yes Free 
NTT Docomo 080 XXXX XXXX, 090 XXXX XXXX Yes Free Yes Free Yes Free 
Softbank Mobile 080 XXXX XXXX, 090 XXXX XXXX Yes Free Yes Free Yes Free 
Willcom 070 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 countriesNo 
International between carriersNo 
Domestic or international between carriers within countryNo 
Single SOF portability supportedYes 
Number for callers to report trouble0120-506506 (Customer Service Center) 0120-506506 (Customer Service Center) 
Directory serviceIFSUIFN
PrintedNo No 
Operator assistedNo No 
InternetNo No 
Aging period for disconnected numbersNone N.a.
Service provisioning leadtime6 business days 6 business 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 homepagehttp://www.ntt.com/index-e.html 
For additional informationhttp://www.ntt.com/0033biz/e/ 
Regulatorhttp://www.soumu.go.jp/english/index.html 
Public holiday information