Area Code +81-581-(390000...399999) 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 : 390000 Subscriber Number To : 399999 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 West 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-(380000...389999) next › : +81-581-(510000...519999) Dialling Instructions For trunk calls: 0 581 390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 581 390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 390000 ~ 399999 (Count: 10,000) Example: +81-581-390000 / 01081-581-390000 (0581-390000 / 0-581-390000) +81-581-390001 / 01081-581-390001 (0581-390001 / 0-581-390001) +81-581-390002 / 01081-581-390002 (0581-390002 / 0-581-390002) +81-581-390003 / 01081-581-390003 (0581-390003 / 0-581-390003) +81-581-390004 / 01081-581-390004 (0581-390004 / 0-581-390004) ...+81-581-xxxxxx / 01081-581-xxxxxx (0581-xxxxxx / 0-581-xxxxxx) ...+81-581-399995 / 01081-581-399995 (0581-399995 / 0-581-399995) +81-581-399996 / 01081-581-399996 (0581-399996 / 0-581-399996) +81-581-399997 / 01081-581-399997 (0581-399997 / 0-581-399997) +81-581-399998 / 01081-581-399998 (0581-399998 / 0-581-399998) +81-581-399999 / 01081-581-399999 (0581-399999 / 0-581-399999)