Area Code +81-77-(5100000...5109999) located in Otsu, Shiga (25), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 77 Subscriber Number From : 5100000 Subscriber Number To : 5109999 National Destination Code Length : 2 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 : 25 Region Name : Shiga City : Otsu Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.0200 Longitude : 135.8500 ‹ previous : +81-77-(5090000...5099999) next › : +81-77-(5110000...5119999) Dialling Instructions For trunk calls: 0 77 5100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 77 5100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5100000 ~ 5109999 (Count: 10,000) Example: +81-77-5100000 / 01081-77-5100000 (077-5100000 / 0-77-5100000) +81-77-5100001 / 01081-77-5100001 (077-5100001 / 0-77-5100001) +81-77-5100002 / 01081-77-5100002 (077-5100002 / 0-77-5100002) +81-77-5100003 / 01081-77-5100003 (077-5100003 / 0-77-5100003) +81-77-5100004 / 01081-77-5100004 (077-5100004 / 0-77-5100004) ...+81-77-xxxxxxx / 01081-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+81-77-5109995 / 01081-77-5109995 (077-5109995 / 0-77-5109995) +81-77-5109996 / 01081-77-5109996 (077-5109996 / 0-77-5109996) +81-77-5109997 / 01081-77-5109997 (077-5109997 / 0-77-5109997) +81-77-5109998 / 01081-77-5109998 (077-5109998 / 0-77-5109998) +81-77-5109999 / 01081-77-5109999 (077-5109999 / 0-77-5109999)