Area Code +81-661-(300000...309999) located in Osaka, Osaka (27), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 661 Subscriber Number From : 300000 Subscriber Number To : 309999 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 : 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 : +81-661-(250000...259999) next › : +81-661-(310000...319999) Dialling Instructions For trunk calls: 0 661 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 661 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 309999 (Count: 10,000) Example: +81-661-300000 / 01081-661-300000 (0661-300000 / 0-661-300000) +81-661-300001 / 01081-661-300001 (0661-300001 / 0-661-300001) +81-661-300002 / 01081-661-300002 (0661-300002 / 0-661-300002) +81-661-300003 / 01081-661-300003 (0661-300003 / 0-661-300003) +81-661-300004 / 01081-661-300004 (0661-300004 / 0-661-300004) ...+81-661-xxxxxx / 01081-661-xxxxxx (0661-xxxxxx / 0-661-xxxxxx) ...+81-661-309995 / 01081-661-309995 (0661-309995 / 0-661-309995) +81-661-309996 / 01081-661-309996 (0661-309996 / 0-661-309996) +81-661-309997 / 01081-661-309997 (0661-309997 / 0-661-309997) +81-661-309998 / 01081-661-309998 (0661-309998 / 0-661-309998) +81-661-309999 / 01081-661-309999 (0661-309999 / 0-661-309999)