The postal rate for a regular letter is
The rate for a postcard is
These rates took effect April 10, 2016.
These rates mark a decrease from previous rates (49¢ and 35¢, respectively). The Postal Service has reduced rates twice before, in 1885 and 1919.
Owing to the dispersion of Forever Stamps, and USPS.com now surfacing this information no more than one page deep, this will be the final update to The Postal Rate. This site will be taken down the next time rates change.