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

All of your shipments are shipped in Flat Rate Boxes. Shipping with Flat Rate Boxes is a breeze. As long as it will fit in the box, it will ship at the same price whenever possible. The boxes are ...

All three carriers offer flat-rate shipping options. USPS cannot ship packages weighing more than 70 pounds. Emails, texts and online messaging may have largely replaced physical letters ...