Centennial Post Office

1 Pine St, Centennial, WY 82055

Contact Numbers

Phone: 307-742-2057
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday Closed

Last Collection Times

Monday 10:00am
Tuesday 10:00am
Wednesday 10:00am
Thursday 10:00am
Friday 10:00am
Saturday 10:00am
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Philatelic Services
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Cowdrey
27 County Road 6w
18.9 miles away

Rock River
104 S 5th St
19.0 miles away

Elk Mountain
211 Bridge St
19.0 miles away

Laramie
152 N 5th St
22.1 miles away

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