Area Code +81-90-(97800000...97899999) located in Mobile Telephony, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 90 Subscriber Number From : 97800000 Subscriber Number To : 97899999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : Okinawa Cellular Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) City : Mobile Telephony Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 35.6900 Longitude : 139.6900 ‹ previous : +81-90-(97700000...97799999) next › : +81-90-(97900000...97999999) Dialling Instructions For trunk calls: 0 90 97800000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 90 97800000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 97800000 ~ 97899999 (Count: 100,000) Example: +81-90-97800000 / 01081-90-97800000 (090-97800000 / 0-90-97800000) +81-90-97800001 / 01081-90-97800001 (090-97800001 / 0-90-97800001) +81-90-97800002 / 01081-90-97800002 (090-97800002 / 0-90-97800002) +81-90-97800003 / 01081-90-97800003 (090-97800003 / 0-90-97800003) +81-90-97800004 / 01081-90-97800004 (090-97800004 / 0-90-97800004) ...+81-90-xxxxxxxx / 01081-90-xxxxxxxx (090-xxxxxxxx / 0-90-xxxxxxxx) ...+81-90-97899995 / 01081-90-97899995 (090-97899995 / 0-90-97899995) +81-90-97899996 / 01081-90-97899996 (090-97899996 / 0-90-97899996) +81-90-97899997 / 01081-90-97899997 (090-97899997 / 0-90-97899997) +81-90-97899998 / 01081-90-97899998 (090-97899998 / 0-90-97899998) +81-90-97899999 / 01081-90-97899999 (090-97899999 / 0-90-97899999)