Area Code +81-551-(280000...289999) located in Nirasaki, Yamanashi (19), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 551 Subscriber Number From : 280000 Subscriber Number To : 289999 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 : Nirasaki Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.7100 Longitude : 138.4500 ‹ previous : +81-551-(270000...279999) next › : +81-551-(290000...299999) Dialling Instructions For trunk calls: 0 551 280000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 551 280000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 280000 ~ 289999 (Count: 10,000) Example: +81-551-280000 / 01081-551-280000 (0551-280000 / 0-551-280000) +81-551-280001 / 01081-551-280001 (0551-280001 / 0-551-280001) +81-551-280002 / 01081-551-280002 (0551-280002 / 0-551-280002) +81-551-280003 / 01081-551-280003 (0551-280003 / 0-551-280003) +81-551-280004 / 01081-551-280004 (0551-280004 / 0-551-280004) ...+81-551-xxxxxx / 01081-551-xxxxxx (0551-xxxxxx / 0-551-xxxxxx) ...+81-551-289995 / 01081-551-289995 (0551-289995 / 0-551-289995) +81-551-289996 / 01081-551-289996 (0551-289996 / 0-551-289996) +81-551-289997 / 01081-551-289997 (0551-289997 / 0-551-289997) +81-551-289998 / 01081-551-289998 (0551-289998 / 0-551-289998) +81-551-289999 / 01081-551-289999 (0551-289999 / 0-551-289999)