Area Code +81-204-(9900000...9999999) 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 : 9900000 Subscriber Number To : 9999999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : Okinawa 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-(9200000...9299999) next › : +81-220-(200000...209999) Dialling Instructions For trunk calls: 0 204 9900000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 204 9900000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 9900000 ~ 9999999 (Count: 100,000) Example: +81-204-9900000 / 01081-204-9900000 (0204-9900000 / 0-204-9900000) +81-204-9900001 / 01081-204-9900001 (0204-9900001 / 0-204-9900001) +81-204-9900002 / 01081-204-9900002 (0204-9900002 / 0-204-9900002) +81-204-9900003 / 01081-204-9900003 (0204-9900003 / 0-204-9900003) +81-204-9900004 / 01081-204-9900004 (0204-9900004 / 0-204-9900004) ...+81-204-xxxxxxx / 01081-204-xxxxxxx (0204-xxxxxxx / 0-204-xxxxxxx) ...+81-204-9999995 / 01081-204-9999995 (0204-9999995 / 0-204-9999995) +81-204-9999996 / 01081-204-9999996 (0204-9999996 / 0-204-9999996) +81-204-9999997 / 01081-204-9999997 (0204-9999997 / 0-204-9999997) +81-204-9999998 / 01081-204-9999998 (0204-9999998 / 0-204-9999998) +81-204-9999999 / 01081-204-9999999 (0204-9999999 / 0-204-9999999)