Country/currency is available from
http://www.currency-iso.org/en/home/tables/table-a1.html . See also ISO 4217
https://en.wikipedia.org/wiki/ISO_4217 . I found them by a Google search for "country currency database". The second hit was
http://stackoverflow.com/questions/9392740/database-currenci... which links to various resources.
For timezones you likely want the tz database, see http://en.wikipedia.org/wiki/Tz_database . I found it by a Google search for "timezone database". The first hit was to http://www.iana.org/time-zones .