Frontenac Post Office

15749 Round Is, Frontenac, NY 13624

Contact Numbers

Phone: 315-686-3311
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours

Monday 9:00am - 10:30am
Tuesday 9:00am - 10:30am
Wednesday 9:00am - 10:30am
Thursday 9:00am - 10:30am
Friday 9:00am - 10:30am
Saturday 9:00am - 10:30am
Sunday Closed

Last Collection Times

Monday 10:30am
Tuesday 10:30am
Wednesday 10:30am
Thursday 10:30am
Friday 10:30am
Saturday 10:30am
Sunday Closed

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

  • Pickup Accountable Mail
  • Pickup Hold Mail

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:

Murray Isle
42650 Murray Is
1.0 miles away

Grenell
16498 Grenell Is
1.2 miles away

Clayton
236 John St
1.4 miles away

Fishers Landing
18064 Reeds Point Rd
2.0 miles away

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