Area Code +81-3-(31170000...31179999) located in Tokyo, Tokyo (13), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 3 Subscriber Number From : 31170000 Subscriber Number To : 31179999 National Destination Code Length : 1 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Tokyo Tele Message Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 13 Region Name : Tokyo City : Tokyo Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.6900 Longitude : 139.6900 ‹ previous : +81-3-(31160000...31169999) next › : +81-3-(31180000...31189999) Dialling Instructions For trunk calls: 0 3 31170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 3 31170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 31170000 ~ 31179999 (Count: 10,000) Example: +81-3-31170000 / 01081-3-31170000 (03-31170000 / 0-3-31170000) +81-3-31170001 / 01081-3-31170001 (03-31170001 / 0-3-31170001) +81-3-31170002 / 01081-3-31170002 (03-31170002 / 0-3-31170002) +81-3-31170003 / 01081-3-31170003 (03-31170003 / 0-3-31170003) +81-3-31170004 / 01081-3-31170004 (03-31170004 / 0-3-31170004) ...+81-3-xxxxxxxx / 01081-3-xxxxxxxx (03-xxxxxxxx / 0-3-xxxxxxxx) ...+81-3-31179995 / 01081-3-31179995 (03-31179995 / 0-3-31179995) +81-3-31179996 / 01081-3-31179996 (03-31179996 / 0-3-31179996) +81-3-31179997 / 01081-3-31179997 (03-31179997 / 0-3-31179997) +81-3-31179998 / 01081-3-31179998 (03-31179998 / 0-3-31179998) +81-3-31179999 / 01081-3-31179999 (03-31179999 / 0-3-31179999)