Area Code +81-578-(890000...899999) located in Hida (Kamioka), Gifu (21), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 578 Subscriber Number From : 890000 Subscriber Number To : 899999 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 : NTT West Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 21 Region Name : Gifu City : Hida (Kamioka) Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 36.2400 Longitude : 137.1900 ‹ previous : +81-578-(880000...889999) next › : +81-581-(220000...229999) Dialling Instructions For trunk calls: 0 578 890000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 578 890000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 890000 ~ 899999 (Count: 10,000) Example: +81-578-890000 / 01081-578-890000 (0578-890000 / 0-578-890000) +81-578-890001 / 01081-578-890001 (0578-890001 / 0-578-890001) +81-578-890002 / 01081-578-890002 (0578-890002 / 0-578-890002) +81-578-890003 / 01081-578-890003 (0578-890003 / 0-578-890003) +81-578-890004 / 01081-578-890004 (0578-890004 / 0-578-890004) ...+81-578-xxxxxx / 01081-578-xxxxxx (0578-xxxxxx / 0-578-xxxxxx) ...+81-578-899995 / 01081-578-899995 (0578-899995 / 0-578-899995) +81-578-899996 / 01081-578-899996 (0578-899996 / 0-578-899996) +81-578-899997 / 01081-578-899997 (0578-899997 / 0-578-899997) +81-578-899998 / 01081-578-899998 (0578-899998 / 0-578-899998) +81-578-899999 / 01081-578-899999 (0578-899999 / 0-578-899999)