Area Code +81-80-(10000000...10099999) located in Mobile Telephony, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 80 Subscriber Number From : 10000000 Subscriber Number To : 10099999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : NTT DOCOMO Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) City : Mobile Telephony Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 35.6900 Longitude : 139.6900 ‹ previous : +81-800-(9990000...9999999) next › : +81-80-(10100000...10199999) Dialling Instructions For trunk calls: 0 80 10000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 80 10000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 10000000 ~ 10099999 (Count: 100,000) Example: +81-80-10000000 / 01081-80-10000000 (080-10000000 / 0-80-10000000) +81-80-10000001 / 01081-80-10000001 (080-10000001 / 0-80-10000001) +81-80-10000002 / 01081-80-10000002 (080-10000002 / 0-80-10000002) +81-80-10000003 / 01081-80-10000003 (080-10000003 / 0-80-10000003) +81-80-10000004 / 01081-80-10000004 (080-10000004 / 0-80-10000004) ...+81-80-xxxxxxxx / 01081-80-xxxxxxxx (080-xxxxxxxx / 0-80-xxxxxxxx) ...+81-80-10099995 / 01081-80-10099995 (080-10099995 / 0-80-10099995) +81-80-10099996 / 01081-80-10099996 (080-10099996 / 0-80-10099996) +81-80-10099997 / 01081-80-10099997 (080-10099997 / 0-80-10099997) +81-80-10099998 / 01081-80-10099998 (080-10099998 / 0-80-10099998) +81-80-10099999 / 01081-80-10099999 (080-10099999 / 0-80-10099999)