Area Code +81-3-(31130000...31139999) 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 : 31130000 Subscriber Number To : 31139999 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-(31110000...31119999) next › : +81-3-(31140000...31149999) Dialling Instructions For trunk calls: 0 3 31130000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 3 31130000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 31130000 ~ 31139999 (Count: 10,000) Example: +81-3-31130000 / 01081-3-31130000 (03-31130000 / 0-3-31130000) +81-3-31130001 / 01081-3-31130001 (03-31130001 / 0-3-31130001) +81-3-31130002 / 01081-3-31130002 (03-31130002 / 0-3-31130002) +81-3-31130003 / 01081-3-31130003 (03-31130003 / 0-3-31130003) +81-3-31130004 / 01081-3-31130004 (03-31130004 / 0-3-31130004) ...+81-3-xxxxxxxx / 01081-3-xxxxxxxx (03-xxxxxxxx / 0-3-xxxxxxxx) ...+81-3-31139995 / 01081-3-31139995 (03-31139995 / 0-3-31139995) +81-3-31139996 / 01081-3-31139996 (03-31139996 / 0-3-31139996) +81-3-31139997 / 01081-3-31139997 (03-31139997 / 0-3-31139997) +81-3-31139998 / 01081-3-31139998 (03-31139998 / 0-3-31139998) +81-3-31139999 / 01081-3-31139999 (03-31139999 / 0-3-31139999)