USPS test: We mailed 4 packages with GPS trackers to see how quickly they got there

How Overnight Shipping Works

Systems at Work

Local businesses say outgoing packages stuck for 'weeks' at USPS distribution center in Indianapolis

Good Question: How does the post office deliver mail?

Seasonal Workers Needed At Pittsburgh-Area USPS Distribution Centers

Changes for UPS package deliveries across the country after contract ends with USPS

How USPS Sorts Mail

Springfield USPS Distribution Center takes on the holiday rush

Election officials tour UPS facility in West Sacramento

USPS Nashua distribution facility stays busy during holiday season

USPS Distribution Center to stay in South Charleston

NWA USPS gets new automated sorter to help with holiday surge of mail

USPS confirms 'challenges' at Indianapolis Processing and Distribution center leading to delays

A look inside Boise’s mail processing center as workers take on the holiday surge

Behind the scenes at USPS

USPS works to deliver Christmas in Arkansas

USPS determining if it should move distribution center to Rochester

Processing and distribution center audited

Closure of Redmond's USPS distribution center could impact 1 million people