Area Code +81-640-(040000...049999) located in Osaka, Osaka (27), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 640 Subscriber Number From : 040000 Subscriber Number To : 049999 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 : +81-640-(030000...039999) next › : +81-640-(050000...059999) Dialling Instructions For trunk calls: 0 640 040000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 640 040000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 040000 ~ 049999 (Count: 10,000) Example: +81-640-040000 / 01081-640-040000 (0640-040000 / 0-640-040000) +81-640-040001 / 01081-640-040001 (0640-040001 / 0-640-040001) +81-640-040002 / 01081-640-040002 (0640-040002 / 0-640-040002) +81-640-040003 / 01081-640-040003 (0640-040003 / 0-640-040003) +81-640-040004 / 01081-640-040004 (0640-040004 / 0-640-040004) ...+81-640-xxxxxx / 01081-640-xxxxxx (0640-xxxxxx / 0-640-xxxxxx) ...+81-640-049995 / 01081-640-049995 (0640-049995 / 0-640-049995) +81-640-049996 / 01081-640-049996 (0640-049996 / 0-640-049996) +81-640-049997 / 01081-640-049997 (0640-049997 / 0-640-049997) +81-640-049998 / 01081-640-049998 (0640-049998 / 0-640-049998) +81-640-049999 / 01081-640-049999 (0640-049999 / 0-640-049999)