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

Some USPS services soon will increase by as much as 9.2%. Here's what and when customers will see a change at the post office ...

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 ...