Presorted first class mail rates 2012

According to the United States Postal Service (USPS), the presorted first-class mail rates for 2012 were as follows:

Letters (1 oz.)

Large Envelopes (1 oz.)

Flats (1 oz.)

Please note that these rates are subject to change and may not reflect any additional fees or surcharges that may apply. It's always a good idea to check with the USPS or a reliable source for the most up-to-date rates and information.