Area Code +81-978-(690000...699999) located in Kitsuki, 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 : 690000 Subscriber Number To : 699999 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 : Kitsuki Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 33.4200 Longitude : 131.6200 ‹ previous : +81-978-(680000...689999) next › : +81-978-(710000...719999) Dialling Instructions For trunk calls: 0 978 690000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 978 690000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 690000 ~ 699999 (Count: 10,000) Example: +81-978-690000 / 01081-978-690000 (0978-690000 / 0-978-690000) +81-978-690001 / 01081-978-690001 (0978-690001 / 0-978-690001) +81-978-690002 / 01081-978-690002 (0978-690002 / 0-978-690002) +81-978-690003 / 01081-978-690003 (0978-690003 / 0-978-690003) +81-978-690004 / 01081-978-690004 (0978-690004 / 0-978-690004) ...+81-978-xxxxxx / 01081-978-xxxxxx (0978-xxxxxx / 0-978-xxxxxx) ...+81-978-699995 / 01081-978-699995 (0978-699995 / 0-978-699995) +81-978-699996 / 01081-978-699996 (0978-699996 / 0-978-699996) +81-978-699997 / 01081-978-699997 (0978-699997 / 0-978-699997) +81-978-699998 / 01081-978-699998 (0978-699998 / 0-978-699998) +81-978-699999 / 01081-978-699999 (0978-699999 / 0-978-699999)