USPS now offers the special "Forever" stamp at the current price of first class postage. Those stamps can be used no matter what the price of postage may reach -- forever.
The cost for sending the first ounce in a larger than standard letter size envelope will go from the current 83 cents to 88 cents.
The first ounce for a package on Monday goes to a $1.22, up from t$1.17.
Click here for a complete list of pricing changes from the U.S. Postal Service website.
The Postal Service announced in February the two cent first class bump would cost the average U.S. household $3 a year.
The increase is necessary to make up for a massive decline in the use of first class mail.
Volume fell by a massive 7.5 billion pieces in the second quarter of this year compared to the same time last year.