Grenville Post Office

915 Kosciusko Ave, Grenville, SD 57239

Contact Numbers

Phone: 605-486-4804
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 4:10pm
Tuesday 4:10pm
Wednesday 4:10pm
Thursday 4:10pm
Friday 4:10pm
Saturday 4:10pm
Sunday Closed

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

  • 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
  • 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:

Roslyn
509 N Main St
4.3 miles away

Eden
108 S 3rd St
6.2 miles away

Waubay
105 N Main St
6.4 miles away

Webster
715 Main St
7.5 miles away

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