Calcium Post Office

24841 Sanford Corners Rd, Calcium, NY 13616

Contact Numbers

Phone: 315-788-1881
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 7:30am - 5:00pm
Tuesday 7:30am - 5:00pm
Wednesday 7:30am - 5:00pm
Thursday 7:30am - 5:00pm
Friday 7:30am - 5:00pm
Saturday 7:15am - 11:15am
Sunday Closed

Last Collection Times

Monday 4:45pm
Tuesday 4:45pm
Wednesday 4:45pm
Thursday 4:45pm
Friday 4:45pm
Saturday 11:00am
Sunday Closed

Bulk Mail Acceptance Hours

Monday 8:00am - 12:00pm, 1:30pm - 4:45pm
Tuesday 8:00am - 12:00pm, 1:30pm - 4:45pm
Wednesday 8:00am - 12:00pm, 1:30pm - 4:45pm
Thursday 8:00am - 12:00pm, 1:30pm - 4:45pm
Friday 8:00am - 12:00pm, 1:30pm - 4:45pm
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
  • 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:

Fort Drum
10720 Mount Belvedere Blvd
1.6 miles away

Black River
28553 State Route 3
1.8 miles away

Evans Mills
8496 Leray St
2.8 miles away

Felts Mills
24456 Main St
3.1 miles away

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