Area Code +81-800-(5550000...5599999) 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 : 5550000 Subscriber Number To : 5599999 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-(5000000...5009999) next › : +81-800-(5600000...5699999) Dialling Instructions For trunk calls: 0 800 5550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 800 5550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5550000 ~ 5599999 (Count: 50,000) Example: +81-800-5550000 / 01081-800-5550000 (0800-5550000 / 0-800-5550000) +81-800-5550001 / 01081-800-5550001 (0800-5550001 / 0-800-5550001) +81-800-5550002 / 01081-800-5550002 (0800-5550002 / 0-800-5550002) +81-800-5550003 / 01081-800-5550003 (0800-5550003 / 0-800-5550003) +81-800-5550004 / 01081-800-5550004 (0800-5550004 / 0-800-5550004) ...+81-800-xxxxxxx / 01081-800-xxxxxxx (0800-xxxxxxx / 0-800-xxxxxxx) ...+81-800-5599995 / 01081-800-5599995 (0800-5599995 / 0-800-5599995) +81-800-5599996 / 01081-800-5599996 (0800-5599996 / 0-800-5599996) +81-800-5599997 / 01081-800-5599997 (0800-5599997 / 0-800-5599997) +81-800-5599998 / 01081-800-5599998 (0800-5599998 / 0-800-5599998) +81-800-5599999 / 01081-800-5599999 (0800-5599999 / 0-800-5599999)