Area Code +81-661-(100000...109999) 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 : 100000 Subscriber Number To : 109999 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-(050000...059999) next › : +81-661-(150000...159999) Dialling Instructions For trunk calls: 0 661 100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 661 100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 100000 ~ 109999 (Count: 10,000) Example: +81-661-100000 / 01081-661-100000 (0661-100000 / 0-661-100000) +81-661-100001 / 01081-661-100001 (0661-100001 / 0-661-100001) +81-661-100002 / 01081-661-100002 (0661-100002 / 0-661-100002) +81-661-100003 / 01081-661-100003 (0661-100003 / 0-661-100003) +81-661-100004 / 01081-661-100004 (0661-100004 / 0-661-100004) ...+81-661-xxxxxx / 01081-661-xxxxxx (0661-xxxxxx / 0-661-xxxxxx) ...+81-661-109995 / 01081-661-109995 (0661-109995 / 0-661-109995) +81-661-109996 / 01081-661-109996 (0661-109996 / 0-661-109996) +81-661-109997 / 01081-661-109997 (0661-109997 / 0-661-109997) +81-661-109998 / 01081-661-109998 (0661-109998 / 0-661-109998) +81-661-109999 / 01081-661-109999 (0661-109999 / 0-661-109999)