For use in the US the rate is 28 cents.
A postcard is $.28.
44 cents
Right now, a postage stamp is 44 cents.
$.30
The current postage rate within the United States for a postcard is 32 cents.
44 cents
As of right now (August 2008), postage for a postcard from Quito, Ecuador to the US is $1.56
46 Cents
Originally it cost one old penny to buy a stamp (a penny black) to send a letter. Now it costs 30 p (30 new pence = 72 old pence = 60 cents) to send one.
If you mail a letter without the extra $0.02 stamp or with two $0.39 stamps it will gladly come back to you!!!
On January 27, 2013 the US Postal rates were increased. The price of a first class stamp is now $0.46. The price of a postcard stamp also increased to $0.33. It is possible to view the current postal rates on the official USPS website.
3 cents