Area Code +81-581-(380000...389999) 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 : 380000 Subscriber Number To : 389999 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-(360000...369999) next › : +81-581-(390000...399999) Dialling Instructions For trunk calls: 0 581 380000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 581 380000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 380000 ~ 389999 (Count: 10,000) Example: +81-581-380000 / 01081-581-380000 (0581-380000 / 0-581-380000) +81-581-380001 / 01081-581-380001 (0581-380001 / 0-581-380001) +81-581-380002 / 01081-581-380002 (0581-380002 / 0-581-380002) +81-581-380003 / 01081-581-380003 (0581-380003 / 0-581-380003) +81-581-380004 / 01081-581-380004 (0581-380004 / 0-581-380004) ...+81-581-xxxxxx / 01081-581-xxxxxx (0581-xxxxxx / 0-581-xxxxxx) ...+81-581-389995 / 01081-581-389995 (0581-389995 / 0-581-389995) +81-581-389996 / 01081-581-389996 (0581-389996 / 0-581-389996) +81-581-389997 / 01081-581-389997 (0581-389997 / 0-581-389997) +81-581-389998 / 01081-581-389998 (0581-389998 / 0-581-389998) +81-581-389999 / 01081-581-389999 (0581-389999 / 0-581-389999)