what’s usps first class

what’s usps first class is a frequently asked question for customers using the United States Postal Service. USPS First-Class Mail is a cost-effective option for sending small, lightweight items such as letters, postcards, and small packages. It offers delivery within 1-3 business days, making it an affordable and reliable choice for non-urgent shipments. First-Class Mail also includes tracking and delivery confirmation, adding an extra layer of convenience for customers sending personal or business-related items.