• Hikari Denwa is different than a subscriber line because, as listed below, there are numbers that cannot be called. Bear this in mind when applying for and using Hikari Denwa. • From Hikari Denwa it is not possible to attach a prefix such as "0036" to specify a telecommunications carrier. • From Hikari Denwa it is not possible to use the Sharp Dial service (# + 4-digit number). • From Hikari Denwa it is not possible to call a satellite maritime telephone of NTT DoCoMo, Inc. Below are the types of numbers Hikari Denwa can connect to. (The "X" stands for any number from 0 to 9.) 090 302 20XXX - 41XXX, 43XXX - 47XXX, 57XXX - 63XXX, 66XXX - 67XXX • Connection to Navi Dial (0570) is currently under examination. There will be another notice once the start date for connection is established.

Phone number Service Name Connection 0120 Free Access, Free Dial etc.* 0170 Dengon Dial 0180 TELE-Gong, TELE-Dome, and DATA-Dome 0190 Angel Line, Annai Jozu 0570 Navi Access, AP Navi, and Navi Dial 0800 Free Access etc.* 0910 Private Circuit Access 0990 Dial Q2

*	If the Free Dial subscriber has a contract that does not permit calls from IP Phones, then the Hikari Denwa user will not be able to call that Free Dial number.

Phone number Service Name Connection 010 International Call 020 Pocket Bell 050 IP Phone 060 UPT (e-call) 070 PHS* 080 Mobile Phone 090 Mobile Phone

*	If the called party is using a PHS handset outside the service area or if the PHS is turned off, the caller will hear a busy tone without any other notification.

Phone number Service Name Connection 100 Time and Charges 100*1 104 Directory Assistance*2 106 Collect Call (operator-asisted)*1 108 Collect Call (voice prompt)*1 110 Police (Emergency) 113 Repair Service 114 Busy Signal Verification 115 Telegram Service 116 NTT General Inquires 117 Time 118 Maritime Security (Emergency) 119 Fire Department (Emergency) 121 Credit Call Service 134 Dial Q2 Password 135 Special Number Display 136 Caller ID Announcement (Number Announce) / Last Caller Announcement (Number Oshirase 136) 141 Absence Notification Service / Dual Number Service 142 Call Forwarding (Voice Warp) 144 Nuisance Call Blocking 145 Call Waiting (Catch Phone 2) 146 Call Waiting (Catch Phone 2) 147 Call Forwarding Select (Voice Warp Select) 148 Anonymous Call Rejection (Number Request) 149 DDX-TP 151 Members' Net 152 Members' Net 159 Off-the-Phone Notification 156 161 Facsimile Network 162 Facsimile Network 163 DDX-TP 164 DDX-TP 165 Mail Transmission and Reception 166 Videotex 167 DDX-TP 169 DDX-TP 171 171 Disaster Emergency Message Dial 177 Weather Forecast 178 Offtalk Service 184 Caller Number Block 186 Caller Number Display

*1	It is also not possible to receive time and charges (100) or collect calls (106, 108).
*2	When calling from Hikari Denwa, it is not possible to use the DIAL 104 service (directory assistance and automatic connection to desired phone number). It is possible for Hikari Denwa to receive a call from a subscriber line or an ISDN line that uses the DIAL 104 service to make the connection.

Carrier Identification Codes Carrier Name Connection 001 KDDI 0030 ZIP Telecom 0031、0032 Advent 0033～0035 NTT Communications 0036 NTT East 0037、0038 Fusion Communications 0039 NTT West 0041～0045 SOFTBANK TELECOM 0046 SOFTBANK MOBILE 0050 Media 0051～0057 KDDI 0060 Media 0061～0067 SOFTBANK TELECOM 0070 KDDI 0071、0072 MCI World Com Japan 0073、0074 Yasuko no Denwa 0077 KDDI 0080 T-Systems Japan 0081、0082 Fusion Communications 0083、0084 Heisen Denden 0086 Kyushu Telecommunication Network 0088 SOFTBANK TELECOM 0089 T-Systems Japan 009120、009121 Brastel 009122、009123 Equant 009130 DoCoMo 009144、009145 Alpha Network 009155、009156 NTT-ME 009177 SOFTBANK BB 009180 SPEEDIA 009181 Kansai Komnet 009188 Try Network International 009191、009192 Plala Networks 009198 SOFTBANK BB 009199 NTT Neomeit Yamaguchi