usps 1st class letter rate

usps 1st class letter rate is a cost-effective option for sending letters and small documents within the U.S. As of 2025, the rate for a standard First-Class Mail letter starts at $0.66 for letters weighing up to 1 ounce. USPS First-Class Mail offers affordable pricing with fast delivery, usually taking 1 to 3 business days, depending on the destination. It’s a popular choice for individuals and businesses for non-urgent mail and communications.