Area Code +81-581-(280000...289999) located in Yamagata, Gifu (21), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 581 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 : 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 : 21 Region Name : Gifu City : Yamagata Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.5100 Longitude : 136.7800 ‹ previous : +81-581-(270000...279999) next › : +81-581-(320000...329999) Dialling Instructions For trunk calls: 0 581 280000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 581 280000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 280000 ~ 289999 (Count: 10,000) Example: +81-581-280000 / 01081-581-280000 (0581-280000 / 0-581-280000) +81-581-280001 / 01081-581-280001 (0581-280001 / 0-581-280001) +81-581-280002 / 01081-581-280002 (0581-280002 / 0-581-280002) +81-581-280003 / 01081-581-280003 (0581-280003 / 0-581-280003) +81-581-280004 / 01081-581-280004 (0581-280004 / 0-581-280004) ...+81-581-xxxxxx / 01081-581-xxxxxx (0581-xxxxxx / 0-581-xxxxxx) ...+81-581-289995 / 01081-581-289995 (0581-289995 / 0-581-289995) +81-581-289996 / 01081-581-289996 (0581-289996 / 0-581-289996) +81-581-289997 / 01081-581-289997 (0581-289997 / 0-581-289997) +81-581-289998 / 01081-581-289998 (0581-289998 / 0-581-289998) +81-581-289999 / 01081-581-289999 (0581-289999 / 0-581-289999)