Area Code +81-837-(520000...529999) 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 : 520000 Subscriber Number To : 529999 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 : 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-(480000...489999) next › : +81-837-(530000...539999) Dialling Instructions For trunk calls: 0 837 520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 837 520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 520000 ~ 529999 (Count: 10,000) Example: +81-837-520000 / 01081-837-520000 (0837-520000 / 0-837-520000) +81-837-520001 / 01081-837-520001 (0837-520001 / 0-837-520001) +81-837-520002 / 01081-837-520002 (0837-520002 / 0-837-520002) +81-837-520003 / 01081-837-520003 (0837-520003 / 0-837-520003) +81-837-520004 / 01081-837-520004 (0837-520004 / 0-837-520004) ...+81-837-xxxxxx / 01081-837-xxxxxx (0837-xxxxxx / 0-837-xxxxxx) ...+81-837-529995 / 01081-837-529995 (0837-529995 / 0-837-529995) +81-837-529996 / 01081-837-529996 (0837-529996 / 0-837-529996) +81-837-529997 / 01081-837-529997 (0837-529997 / 0-837-529997) +81-837-529998 / 01081-837-529998 (0837-529998 / 0-837-529998) +81-837-529999 / 01081-837-529999 (0837-529999 / 0-837-529999)