us postal service rates first class

us postal service rates first class are an important consideration for businesses and individuals sending lightweight packages, letters, and documents within the United States. USPS First-Class Mail is known for its affordability and reliable service, offering delivery within 1-3 business days. For e-commerce businesses, it is often the preferred option for sending small items such as books, documents, and small merchandise. Understanding USPS First-Class Mail rates helps businesses optimize shipping costs and choose the best service for their customers.