Area Code +81-270-(380000...389999) located in Isesaki, Gunma (10), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 270 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 : Fusion Communications Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 10 Region Name : Gunma City : Isesaki Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 36.3100 Longitude : 139.2000 ‹ previous : +81-270-(330000...339999) next › : +81-270-(400000...409999) Dialling Instructions For trunk calls: 0 270 380000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 270 380000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 380000 ~ 389999 (Count: 10,000) Example: +81-270-380000 / 01081-270-380000 (0270-380000 / 0-270-380000) +81-270-380001 / 01081-270-380001 (0270-380001 / 0-270-380001) +81-270-380002 / 01081-270-380002 (0270-380002 / 0-270-380002) +81-270-380003 / 01081-270-380003 (0270-380003 / 0-270-380003) +81-270-380004 / 01081-270-380004 (0270-380004 / 0-270-380004) ...+81-270-xxxxxx / 01081-270-xxxxxx (0270-xxxxxx / 0-270-xxxxxx) ...+81-270-389995 / 01081-270-389995 (0270-389995 / 0-270-389995) +81-270-389996 / 01081-270-389996 (0270-389996 / 0-270-389996) +81-270-389997 / 01081-270-389997 (0270-389997 / 0-270-389997) +81-270-389998 / 01081-270-389998 (0270-389998 / 0-270-389998) +81-270-389999 / 01081-270-389999 (0270-389999 / 0-270-389999)