Area Code +81-800-(6410000...6499999) located in Freephone service, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 800 Subscriber Number From : 6410000 Subscriber Number To : 6499999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : F (Freephone) Carrier Name : NTT Communications Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) City : Freephone service Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : None Longitude : None ‹ previous : +81-800-(6000000...6039999) next › : +81-800-(6500000...6599999) Dialling Instructions For trunk calls: 0 800 6410000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 800 6410000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6410000 ~ 6499999 (Count: 90,000) Example: +81-800-6410000 / 01081-800-6410000 (0800-6410000 / 0-800-6410000) +81-800-6410001 / 01081-800-6410001 (0800-6410001 / 0-800-6410001) +81-800-6410002 / 01081-800-6410002 (0800-6410002 / 0-800-6410002) +81-800-6410003 / 01081-800-6410003 (0800-6410003 / 0-800-6410003) +81-800-6410004 / 01081-800-6410004 (0800-6410004 / 0-800-6410004) ...+81-800-xxxxxxx / 01081-800-xxxxxxx (0800-xxxxxxx / 0-800-xxxxxxx) ...+81-800-6499995 / 01081-800-6499995 (0800-6499995 / 0-800-6499995) +81-800-6499996 / 01081-800-6499996 (0800-6499996 / 0-800-6499996) +81-800-6499997 / 01081-800-6499997 (0800-6499997 / 0-800-6499997) +81-800-6499998 / 01081-800-6499998 (0800-6499998 / 0-800-6499998) +81-800-6499999 / 01081-800-6499999 (0800-6499999 / 0-800-6499999)