usps 1-3 day shipping

usps 1-3 day shipping refers to the estimated delivery time for USPS services such as Priority Mail and First-Class Package Service. These services offer fast shipping, with delivery expected within 1 to 3 business days, depending on the origin and destination of the package. With USPS 1-3 day shipping, customers can expect a quick turnaround without the higher costs associated with expedited services like overnight shipping.