Area Code +81-554-(250000...259999) 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 : 250000 Subscriber Number To : 259999 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-(240000...249999) next › : +81-554-(260000...269999) Dialling Instructions For trunk calls: 0 554 250000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 554 250000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 250000 ~ 259999 (Count: 10,000) Example: +81-554-250000 / 01081-554-250000 (0554-250000 / 0-554-250000) +81-554-250001 / 01081-554-250001 (0554-250001 / 0-554-250001) +81-554-250002 / 01081-554-250002 (0554-250002 / 0-554-250002) +81-554-250003 / 01081-554-250003 (0554-250003 / 0-554-250003) +81-554-250004 / 01081-554-250004 (0554-250004 / 0-554-250004) ...+81-554-xxxxxx / 01081-554-xxxxxx (0554-xxxxxx / 0-554-xxxxxx) ...+81-554-259995 / 01081-554-259995 (0554-259995 / 0-554-259995) +81-554-259996 / 01081-554-259996 (0554-259996 / 0-554-259996) +81-554-259997 / 01081-554-259997 (0554-259997 / 0-554-259997) +81-554-259998 / 01081-554-259998 (0554-259998 / 0-554-259998) +81-554-259999 / 01081-554-259999 (0554-259999 / 0-554-259999)