Area Code +81-98-(8180000...8189999) located in Naha, Okinawa (47), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 98 Subscriber Number From : 8180000 Subscriber Number To : 8189999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Okinawa Tele Message Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 47 Region Name : Okinawa City : Naha Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 26.2300 Longitude : 127.6900 ‹ previous : +81-98-(8170000...8179999) next › : +81-98-(8190000...8199999) Dialling Instructions For trunk calls: 0 98 8180000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 98 8180000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8180000 ~ 8189999 (Count: 10,000) Example: +81-98-8180000 / 01081-98-8180000 (098-8180000 / 0-98-8180000) +81-98-8180001 / 01081-98-8180001 (098-8180001 / 0-98-8180001) +81-98-8180002 / 01081-98-8180002 (098-8180002 / 0-98-8180002) +81-98-8180003 / 01081-98-8180003 (098-8180003 / 0-98-8180003) +81-98-8180004 / 01081-98-8180004 (098-8180004 / 0-98-8180004) ...+81-98-xxxxxxx / 01081-98-xxxxxxx (098-xxxxxxx / 0-98-xxxxxxx) ...+81-98-8189995 / 01081-98-8189995 (098-8189995 / 0-98-8189995) +81-98-8189996 / 01081-98-8189996 (098-8189996 / 0-98-8189996) +81-98-8189997 / 01081-98-8189997 (098-8189997 / 0-98-8189997) +81-98-8189998 / 01081-98-8189998 (098-8189998 / 0-98-8189998) +81-98-8189999 / 01081-98-8189999 (098-8189999 / 0-98-8189999)