us mail rates first class

us mail rates first class refer to the pricing structure for the USPS First-Class Mail service, which is an affordable option for sending letters, postcards, and lightweight packages within the United States. First-Class Mail rates are based on the weight and size of the item being sent. For example, a standard letter weighing up to 1 ounce can be mailed for as low as $0.66, while packages and larger envelopes have higher rates. First-Class Mail offers delivery within 1-3 business days, making it a popular choice for individuals and small businesses.