Area Code +81-988-(180000...189999) located in Naha, Okinawa (47), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 988 Subscriber Number From : 180000 Subscriber Number To : 189999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Okinawa Telemessage Company 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 : +81-988-(170000...179999) next › : +81-988-(190000...199999) Dialling Instructions For trunk calls: 0 988 180000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 988 180000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 180000 ~ 189999 (Count: 10,000) Example: +81-988-180000 / 01081-988-180000 (0988-180000 / 0-988-180000) +81-988-180001 / 01081-988-180001 (0988-180001 / 0-988-180001) +81-988-180002 / 01081-988-180002 (0988-180002 / 0-988-180002) +81-988-180003 / 01081-988-180003 (0988-180003 / 0-988-180003) +81-988-180004 / 01081-988-180004 (0988-180004 / 0-988-180004) ...+81-988-xxxxxx / 01081-988-xxxxxx (0988-xxxxxx / 0-988-xxxxxx) ...+81-988-189995 / 01081-988-189995 (0988-189995 / 0-988-189995) +81-988-189996 / 01081-988-189996 (0988-189996 / 0-988-189996) +81-988-189997 / 01081-988-189997 (0988-189997 / 0-988-189997) +81-988-189998 / 01081-988-189998 (0988-189998 / 0-988-189998) +81-988-189999 / 01081-988-189999 (0988-189999 / 0-988-189999)