Area Code +81-837-(610000...619999) located in Mine, Yamaguchi (35), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 837 Subscriber Number From : 610000 Subscriber Number To : 619999 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 : KDDI 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 : Mine Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 34.1700 Longitude : 131.2100 ‹ previous : +81-837-(600000...609999) next › : +81-837-(620000...629999) Dialling Instructions For trunk calls: 0 837 610000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 837 610000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 610000 ~ 619999 (Count: 10,000) Example: +81-837-610000 / 01081-837-610000 (0837-610000 / 0-837-610000) +81-837-610001 / 01081-837-610001 (0837-610001 / 0-837-610001) +81-837-610002 / 01081-837-610002 (0837-610002 / 0-837-610002) +81-837-610003 / 01081-837-610003 (0837-610003 / 0-837-610003) +81-837-610004 / 01081-837-610004 (0837-610004 / 0-837-610004) ...+81-837-xxxxxx / 01081-837-xxxxxx (0837-xxxxxx / 0-837-xxxxxx) ...+81-837-619995 / 01081-837-619995 (0837-619995 / 0-837-619995) +81-837-619996 / 01081-837-619996 (0837-619996 / 0-837-619996) +81-837-619997 / 01081-837-619997 (0837-619997 / 0-837-619997) +81-837-619998 / 01081-837-619998 (0837-619998 / 0-837-619998) +81-837-619999 / 01081-837-619999 (0837-619999 / 0-837-619999)