Post Office

"The Postal Service’s mission is to provide the nation with reliable, affordable, universal mail service."

Contact Information

United States Postal Service Website




1-800-ASK-USPS® (800-275-8777)

Phone 303-536-4775

Fax 303-536-9712

TTY 877-889-2457

Post Office


Lobby Hours

Mon-Fri: 12:01 am-11:59 pm

Sat: 12:01 am-11:59 pm

Sun: Closed

Retail Hours

Mon-Fri: 8:00 am-1:00 pm, 2:00 pm-4:30 pm

Sat: 8:00 am-11:30 am

Sun: Closed

Bulk Mail Acceptance Hours

Mon-Fri: 8:00 am-12:30 pm, 2:00 pm-3:00 pm

Last Collection Hours

Mon-Fri: 4:45 pm

Sat: 11:45 am

Passport Appointment Hours

Mon-Fri: 8:00 am-1:00 pm

Services at the Hudson Location

  • Business Reply Mail® Account Balance
  • Business Reply Mail New Permit
  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Burial Flags
  • Call Referral
  • Carrier Services
  • Duck Stamps
  • General Delivery
  • Greeting Card Services
  • Label Broker®
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Passport Appointments
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Pickup Notice Left Mail
  • Priority Mail International®
  • PO Box Online