United states postal service rates for first class mail

The United States Postal Service (USPS) rates for First Class Mail are as follows:

Letters (1 oz or less)

Large Envelopes (1 oz or less)

Letters (over 1 oz)

Flat Rate Envelopes

Other Services

Please note that these rates are subject to change, and you should always check the USPS website or consult with a postal representative for the most up-to-date information.