Area Code +81-820-(380000...389999) located in Yanai, Yamaguchi (35), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 820 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 : 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 : 35 Region Name : Yamaguchi City : Yanai Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 33.9600 Longitude : 132.1000 ‹ previous : +81-820-(280000...289999) next › : +81-820-(400000...409999) Dialling Instructions For trunk calls: 0 820 380000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 820 380000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 380000 ~ 389999 (Count: 10,000) Example: +81-820-380000 / 01081-820-380000 (0820-380000 / 0-820-380000) +81-820-380001 / 01081-820-380001 (0820-380001 / 0-820-380001) +81-820-380002 / 01081-820-380002 (0820-380002 / 0-820-380002) +81-820-380003 / 01081-820-380003 (0820-380003 / 0-820-380003) +81-820-380004 / 01081-820-380004 (0820-380004 / 0-820-380004) ...+81-820-xxxxxx / 01081-820-xxxxxx (0820-xxxxxx / 0-820-xxxxxx) ...+81-820-389995 / 01081-820-389995 (0820-389995 / 0-820-389995) +81-820-389996 / 01081-820-389996 (0820-389996 / 0-820-389996) +81-820-389997 / 01081-820-389997 (0820-389997 / 0-820-389997) +81-820-389998 / 01081-820-389998 (0820-389998 / 0-820-389998) +81-820-389999 / 01081-820-389999 (0820-389999 / 0-820-389999)