Area Code +81-554-(550000...559999) located in Otsuki, Yamanashi (19), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 554 Subscriber Number From : 550000 Subscriber Number To : 559999 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 Mobile Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 19 Region Name : Yamanashi City : Otsuki Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.6100 Longitude : 138.9400 ‹ previous : +81-554-(520000...529999) next › : +81-554-(560000...569999) Dialling Instructions For trunk calls: 0 554 550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 554 550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 550000 ~ 559999 (Count: 10,000) Example: +81-554-550000 / 01081-554-550000 (0554-550000 / 0-554-550000) +81-554-550001 / 01081-554-550001 (0554-550001 / 0-554-550001) +81-554-550002 / 01081-554-550002 (0554-550002 / 0-554-550002) +81-554-550003 / 01081-554-550003 (0554-550003 / 0-554-550003) +81-554-550004 / 01081-554-550004 (0554-550004 / 0-554-550004) ...+81-554-xxxxxx / 01081-554-xxxxxx (0554-xxxxxx / 0-554-xxxxxx) ...+81-554-559995 / 01081-554-559995 (0554-559995 / 0-554-559995) +81-554-559996 / 01081-554-559996 (0554-559996 / 0-554-559996) +81-554-559997 / 01081-554-559997 (0554-559997 / 0-554-559997) +81-554-559998 / 01081-554-559998 (0554-559998 / 0-554-559998) +81-554-559999 / 01081-554-559999 (0554-559999 / 0-554-559999)