Area Code +81-554-(240000...249999) 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 : 240000 Subscriber Number To : 249999 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 East 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-(230000...239999) next › : +81-554-(250000...259999) Dialling Instructions For trunk calls: 0 554 240000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 554 240000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 240000 ~ 249999 (Count: 10,000) Example: +81-554-240000 / 01081-554-240000 (0554-240000 / 0-554-240000) +81-554-240001 / 01081-554-240001 (0554-240001 / 0-554-240001) +81-554-240002 / 01081-554-240002 (0554-240002 / 0-554-240002) +81-554-240003 / 01081-554-240003 (0554-240003 / 0-554-240003) +81-554-240004 / 01081-554-240004 (0554-240004 / 0-554-240004) ...+81-554-xxxxxx / 01081-554-xxxxxx (0554-xxxxxx / 0-554-xxxxxx) ...+81-554-249995 / 01081-554-249995 (0554-249995 / 0-554-249995) +81-554-249996 / 01081-554-249996 (0554-249996 / 0-554-249996) +81-554-249997 / 01081-554-249997 (0554-249997 / 0-554-249997) +81-554-249998 / 01081-554-249998 (0554-249998 / 0-554-249998) +81-554-249999 / 01081-554-249999 (0554-249999 / 0-554-249999)