us postal service first class postage

us postal service first class postage USPS First-Class Postage is the cost of mailing lightweight letters, postcards, and packages weighing up to 13 ounces. First-Class Mail is an affordable, fast option for sending everyday mail and small parcels. It includes services like tracking, and delivery typically takes 1-3 business days within the United States. The postage cost varies based on the size, weight, and destination of the item.