Area Code +81-988-(170000...179999) 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 : 170000 Subscriber Number To : 179999 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-(160000...169999) next › : +81-988-(180000...189999) Dialling Instructions For trunk calls: 0 988 170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 988 170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 170000 ~ 179999 (Count: 10,000) Example: +81-988-170000 / 01081-988-170000 (0988-170000 / 0-988-170000) +81-988-170001 / 01081-988-170001 (0988-170001 / 0-988-170001) +81-988-170002 / 01081-988-170002 (0988-170002 / 0-988-170002) +81-988-170003 / 01081-988-170003 (0988-170003 / 0-988-170003) +81-988-170004 / 01081-988-170004 (0988-170004 / 0-988-170004) ...+81-988-xxxxxx / 01081-988-xxxxxx (0988-xxxxxx / 0-988-xxxxxx) ...+81-988-179995 / 01081-988-179995 (0988-179995 / 0-988-179995) +81-988-179996 / 01081-988-179996 (0988-179996 / 0-988-179996) +81-988-179997 / 01081-988-179997 (0988-179997 / 0-988-179997) +81-988-179998 / 01081-988-179998 (0988-179998 / 0-988-179998) +81-988-179999 / 01081-988-179999 (0988-179999 / 0-988-179999)