Mount Vernon Post Office

115 S Main St, Mount Vernon, SD 57363

Contact Numbers

Phone: 605-236-5367
Fax: 605-357-4906
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 24 hours

Last Collection Times

Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 6:15pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 8:00am - 10:30am
Tuesday 8:00am - 10:30am
Wednesday 8:00am - 10:30am
Thursday 8:00am - 10:30am
Friday 8:00am - 10:30am
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)
  • Money Orders (International)
  • 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:

Stickney
309 Main St
8.6 miles away

Plankinton
208 N Main St
9.0 miles away

Letcher
119 E Main St
9.0 miles away

Mitchell
200 W 5th Ave
9.4 miles away

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