Small Flat Rate Box; 8-5/8″ x 5-3/8″ x 1-5/8″ Inside 8-11/16″ x 5-7/16″ x 1-3/4″ Outside $11.00 $11.35 Medium Flat Rate Box; 11″ x 8-1/2″ x 5-1/2″ Inside11-1/4″ x 8-3/4″ x 6 ...

it will ship at the same price whenever possible. The boxes are provided by USPS for free, and if your shipment is going to Zones 1-4, you'll find that this option is usually less expensive than Flat ...

USPS is increasing rates in parcel delivery services, effective this week. Here's what to know about the cost to ship your packages.

The United States Postal Service, UPS and FedEx are all popular choices to ship packages. While USPS typically offers the cheapest options, UPS and FedEx prices are competitive. All three carriers ...