Area Code +81-770-(390000...399999) located in Tsuruga, Fukui (18), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 770 Subscriber Number From : 390000 Subscriber Number To : 399999 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 : 18 Region Name : Fukui City : Tsuruga Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.6500 Longitude : 136.0600 ‹ previous : +81-770-(380000...389999) next › : +81-770-(430000...439999) Dialling Instructions For trunk calls: 0 770 390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 770 390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 390000 ~ 399999 (Count: 10,000) Example: +81-770-390000 / 01081-770-390000 (0770-390000 / 0-770-390000) +81-770-390001 / 01081-770-390001 (0770-390001 / 0-770-390001) +81-770-390002 / 01081-770-390002 (0770-390002 / 0-770-390002) +81-770-390003 / 01081-770-390003 (0770-390003 / 0-770-390003) +81-770-390004 / 01081-770-390004 (0770-390004 / 0-770-390004) ...+81-770-xxxxxx / 01081-770-xxxxxx (0770-xxxxxx / 0-770-xxxxxx) ...+81-770-399995 / 01081-770-399995 (0770-399995 / 0-770-399995) +81-770-399996 / 01081-770-399996 (0770-399996 / 0-770-399996) +81-770-399997 / 01081-770-399997 (0770-399997 / 0-770-399997) +81-770-399998 / 01081-770-399998 (0770-399998 / 0-770-399998) +81-770-399999 / 01081-770-399999 (0770-399999 / 0-770-399999)