Area Code +81-204-(6600000...6699999) located in Pager service, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 204 Subscriber Number From : 6600000 Subscriber Number To : 6699999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : Tokyo Telemessage Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) City : Pager service Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : None Longitude : None ‹ previous : +81-204-(6500000...6599999) next › : +81-204-(6700000...6799999) Dialling Instructions For trunk calls: 0 204 6600000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 204 6600000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6600000 ~ 6699999 (Count: 100,000) Example: +81-204-6600000 / 01081-204-6600000 (0204-6600000 / 0-204-6600000) +81-204-6600001 / 01081-204-6600001 (0204-6600001 / 0-204-6600001) +81-204-6600002 / 01081-204-6600002 (0204-6600002 / 0-204-6600002) +81-204-6600003 / 01081-204-6600003 (0204-6600003 / 0-204-6600003) +81-204-6600004 / 01081-204-6600004 (0204-6600004 / 0-204-6600004) ...+81-204-xxxxxxx / 01081-204-xxxxxxx (0204-xxxxxxx / 0-204-xxxxxxx) ...+81-204-6699995 / 01081-204-6699995 (0204-6699995 / 0-204-6699995) +81-204-6699996 / 01081-204-6699996 (0204-6699996 / 0-204-6699996) +81-204-6699997 / 01081-204-6699997 (0204-6699997 / 0-204-6699997) +81-204-6699998 / 01081-204-6699998 (0204-6699998 / 0-204-6699998) +81-204-6699999 / 01081-204-6699999 (0204-6699999 / 0-204-6699999)