Area Code +81-978-(830000...839999) located in Kunisaki, Oita (44), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 978 Subscriber Number From : 830000 Subscriber Number To : 839999 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 : 44 Region Name : Oita City : Kunisaki Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 33.5700 Longitude : 131.7300 ‹ previous : +81-978-(820000...829999) next › : +81-978-(840000...849999) Dialling Instructions For trunk calls: 0 978 830000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 978 830000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 830000 ~ 839999 (Count: 10,000) Example: +81-978-830000 / 01081-978-830000 (0978-830000 / 0-978-830000) +81-978-830001 / 01081-978-830001 (0978-830001 / 0-978-830001) +81-978-830002 / 01081-978-830002 (0978-830002 / 0-978-830002) +81-978-830003 / 01081-978-830003 (0978-830003 / 0-978-830003) +81-978-830004 / 01081-978-830004 (0978-830004 / 0-978-830004) ...+81-978-xxxxxx / 01081-978-xxxxxx (0978-xxxxxx / 0-978-xxxxxx) ...+81-978-839995 / 01081-978-839995 (0978-839995 / 0-978-839995) +81-978-839996 / 01081-978-839996 (0978-839996 / 0-978-839996) +81-978-839997 / 01081-978-839997 (0978-839997 / 0-978-839997) +81-978-839998 / 01081-978-839998 (0978-839998 / 0-978-839998) +81-978-839999 / 01081-978-839999 (0978-839999 / 0-978-839999)