Area Code +81-264-(660000...669999) located in Nagano, Nagano (20), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 264 Subscriber Number From : 660000 Subscriber Number To : 669999 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 : SoftBank Telecom Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 20 Region Name : Nagano City : Nagano Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 36.6500 Longitude : 138.1900 ‹ previous : +81-264-(620000...629999) next › : +81-264-(680000...689999) Dialling Instructions For trunk calls: 0 264 660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 264 660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 660000 ~ 669999 (Count: 10,000) Example: +81-264-660000 / 01081-264-660000 (0264-660000 / 0-264-660000) +81-264-660001 / 01081-264-660001 (0264-660001 / 0-264-660001) +81-264-660002 / 01081-264-660002 (0264-660002 / 0-264-660002) +81-264-660003 / 01081-264-660003 (0264-660003 / 0-264-660003) +81-264-660004 / 01081-264-660004 (0264-660004 / 0-264-660004) ...+81-264-xxxxxx / 01081-264-xxxxxx (0264-xxxxxx / 0-264-xxxxxx) ...+81-264-669995 / 01081-264-669995 (0264-669995 / 0-264-669995) +81-264-669996 / 01081-264-669996 (0264-669996 / 0-264-669996) +81-264-669997 / 01081-264-669997 (0264-669997 / 0-264-669997) +81-264-669998 / 01081-264-669998 (0264-669998 / 0-264-669998) +81-264-669999 / 01081-264-669999 (0264-669999 / 0-264-669999)