Mills Post Office
526 SW Wyoming Blvd, Mills, WY 82644
Phone: 307-235-3500
Fax: 307-234-4569
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 11:30am
Sunday Closed
Monday 9:00am - 4:00pm
Tuesday 9:00am - 4:00pm
Wednesday 9:00am - 4:00pm
Thursday 9:00am - 4:00pm
Friday 9:00am - 4:00pm
Saturday Closed
Sunday Closed
*This facility does not process US Passports applications or renewals. Check nearby locations below.
- Bulk Mail Acceptance
- Bulk Mail Account Balance
- Bulk Mail New Permit
- Burial Flags
- Business Line
- Business Reply Mail Account Balance
- Business Reply Mail New Permit
- Duck Stamps
- General Delivery
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Pickup Accountable Mail
- Pickup Hold Mail
- PO Box Online
- Lot 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:
Downtown Casper
150 E B St Lobby
2.1 miles away
Casper
411 N Forest Dr
3.9 miles away
Evansville
236 Texas St
4.3 miles away
Alcova
22495 State Highway 220
17.9 miles away
Natrona County
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