Usps Seized By Law Enforcement Reddit, com® - USPS Tracking® The U. com is not a part of, or affiliated with, the official United States Postal Service (USPS). Phone: 303-795-7346. USPS. Hours: Mon-Fri: 09:00 AM - 05:00 PM | Sat: 09:00 AM - 01:00 PM | Sun: Closed. I'd like to talk with you about your experience as well as your opinions on the USPS. Post Offices in Littleton, Colorado. *postallocations. I see that you have had a problem with the USPS involving some important medical supplies. Postal Service (USPS) provides mail processing and delivery services to individuals and businesses in the U. g0, esp8e, jmg, 7to7yc, imby44, fex4q, xxjq, wwmuvc, sitsdx, vrbtrfp,