Clarkson Post Office

3720 Lake Rd, Clarkson, NY 14430

Contact Numbers:

Phone: 585-637-6726
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Monday-Friday 10:00am - 1:00pm, 2:00pm - 5:00pm
Saturday 10:00am - 12:00pm
Sunday Closed

Pickup Services Hours

Monday-Friday 10:00am - 1:00pm, 2:00pm - 5:00pm
Saturday 10:00am - 12:00pm
Sunday Closed

Lobby Hours

Monday-Friday 6:00am - 6:00pm
Saturday 8:30am - 12:30pm
Sunday Closed

PO Box Access Hours

Monday-Friday 6:00am - 6:00pm
Saturday 8:30am - 12:30pm
Sunday Closed

PO Box Delivery Time

Monday-Saturday 10:00am
Sunday Closed

Last Collection Times

Monday-Friday 5:00pm
Saturday 12:00pm
Sunday Closed

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

  • 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
  • Priority Mail International®

Visit our Links Page for Change of Address, Hold Mail/Stop Delivery, PO Boxes™ rentals and fees, Rates on Postage Stamps and Freight/Shipping, Holidays, Bulk Mail, Money Orders, and Available Jobs.

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

Nearby Post Offices:

Brockport
14 Main St
0.8 mile away

Hamlin
133 Railroad Ave
2.9 miles away

Adams Basin
4303 Canal Rd
3.3 miles away

Holley
5 Wright St
3.9 miles away

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