Area Code +81-671-(660000...669999) located in Osaka, Osaka (27), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 671 Subscriber Number From : 660000 Subscriber Number To : 669999 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 : 27 Region Name : Osaka City : Osaka Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 34.6900 Longitude : 135.5000 ‹ previous : +81-671-(650000...659999) next › : +81-671-(670000...679999) Dialling Instructions For trunk calls: 0 671 660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 671 660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 660000 ~ 669999 (Count: 10,000) Example: +81-671-660000 / 01081-671-660000 (0671-660000 / 0-671-660000) +81-671-660001 / 01081-671-660001 (0671-660001 / 0-671-660001) +81-671-660002 / 01081-671-660002 (0671-660002 / 0-671-660002) +81-671-660003 / 01081-671-660003 (0671-660003 / 0-671-660003) +81-671-660004 / 01081-671-660004 (0671-660004 / 0-671-660004) ...+81-671-xxxxxx / 01081-671-xxxxxx (0671-xxxxxx / 0-671-xxxxxx) ...+81-671-669995 / 01081-671-669995 (0671-669995 / 0-671-669995) +81-671-669996 / 01081-671-669996 (0671-669996 / 0-671-669996) +81-671-669997 / 01081-671-669997 (0671-669997 / 0-671-669997) +81-671-669998 / 01081-671-669998 (0671-669998 / 0-671-669998) +81-671-669999 / 01081-671-669999 (0671-669999 / 0-671-669999)