Area Code +81-664-(090000...099999) located in Osaka, Osaka (27), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 664 Subscriber Number From : 090000 Subscriber Number To : 099999 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 : +81-664-(010000...019999) next › : +81-664-(110000...119999) Dialling Instructions For trunk calls: 0 664 090000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 664 090000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 090000 ~ 099999 (Count: 10,000) Example: +81-664-090000 / 01081-664-090000 (0664-090000 / 0-664-090000) +81-664-090001 / 01081-664-090001 (0664-090001 / 0-664-090001) +81-664-090002 / 01081-664-090002 (0664-090002 / 0-664-090002) +81-664-090003 / 01081-664-090003 (0664-090003 / 0-664-090003) +81-664-090004 / 01081-664-090004 (0664-090004 / 0-664-090004) ...+81-664-xxxxxx / 01081-664-xxxxxx (0664-xxxxxx / 0-664-xxxxxx) ...+81-664-099995 / 01081-664-099995 (0664-099995 / 0-664-099995) +81-664-099996 / 01081-664-099996 (0664-099996 / 0-664-099996) +81-664-099997 / 01081-664-099997 (0664-099997 / 0-664-099997) +81-664-099998 / 01081-664-099998 (0664-099998 / 0-664-099998) +81-664-099999 / 01081-664-099999 (0664-099999 / 0-664-099999)