Area Code +81-820-(770000...779999) located in Suooshima (Kuka), 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 : 770000 Subscriber Number To : 779999 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 : 35 Region Name : Yamaguchi City : Suooshima (Kuka) Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 33.9300 Longitude : 132.2000 ‹ previous : +81-820-(760000...769999) next › : +81-820-(780000...789999) Dialling Instructions For trunk calls: 0 820 770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 820 770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 770000 ~ 779999 (Count: 10,000) Example: +81-820-770000 / 01081-820-770000 (0820-770000 / 0-820-770000) +81-820-770001 / 01081-820-770001 (0820-770001 / 0-820-770001) +81-820-770002 / 01081-820-770002 (0820-770002 / 0-820-770002) +81-820-770003 / 01081-820-770003 (0820-770003 / 0-820-770003) +81-820-770004 / 01081-820-770004 (0820-770004 / 0-820-770004) ...+81-820-xxxxxx / 01081-820-xxxxxx (0820-xxxxxx / 0-820-xxxxxx) ...+81-820-779995 / 01081-820-779995 (0820-779995 / 0-820-779995) +81-820-779996 / 01081-820-779996 (0820-779996 / 0-820-779996) +81-820-779997 / 01081-820-779997 (0820-779997 / 0-820-779997) +81-820-779998 / 01081-820-779998 (0820-779998 / 0-820-779998) +81-820-779999 / 01081-820-779999 (0820-779999 / 0-820-779999)