FedEx Customer Service Line:
1-800-463-3339
www.fedex.com



UPS Customer Service Line: 
1-800-742-5877
 
USPS Customer Service Line: 
1-800-275-8777
 
USPS Military Services Agency:
Track & Confirm: www.usps.com
Phone: 1-703-325-0004, 1-800-810-6098
 
(Business Hours: Mon - Fri: 9:00AM - 4:00PM EST)