Area Code +81-660-(000000...009999) located in Osaka, Osaka (27), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 660 Subscriber Number From : 000000 Subscriber Number To : 009999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) 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 : +81-649-(810000...819999) next › : +81-660-(010000...019999) Dialling Instructions For trunk calls: 0 660 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 660 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 009999 (Count: 10,000) Example: +81-660-000000 / 01081-660-000000 (0660-000000 / 0-660-000000) +81-660-000001 / 01081-660-000001 (0660-000001 / 0-660-000001) +81-660-000002 / 01081-660-000002 (0660-000002 / 0-660-000002) +81-660-000003 / 01081-660-000003 (0660-000003 / 0-660-000003) +81-660-000004 / 01081-660-000004 (0660-000004 / 0-660-000004) ...+81-660-xxxxxx / 01081-660-xxxxxx (0660-xxxxxx / 0-660-xxxxxx) ...+81-660-009995 / 01081-660-009995 (0660-009995 / 0-660-009995) +81-660-009996 / 01081-660-009996 (0660-009996 / 0-660-009996) +81-660-009997 / 01081-660-009997 (0660-009997 / 0-660-009997) +81-660-009998 / 01081-660-009998 (0660-009998 / 0-660-009998) +81-660-009999 / 01081-660-009999 (0660-009999 / 0-660-009999)