Seneca Post Office

121 E Armour St, Seneca, Illinois 61360
Phone: 8153578393
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Seneca Post Office is located in Seneca, La Salle, IL. Check out the opening hours, contacts and services provided by Seneca Post Office. You can also look through reviews on this Post Office and leave your own review.

Retail Hours

Day of the weekOpening hours
Monday9:00 am - 12:30 pm, 1:30 pm - 4:30 pm
Tuesday9:00 am - 12:30 pm, 1:30 pm - 4:30 pm
Wednesday9:00 am - 12:30 pm, 1:30 pm - 4:30 pm
Thursday9:00 am - 12:30 pm, 1:30 pm - 4:30 pm
Friday9:00 am - 12:30 pm, 1:30 pm - 4:30 pm
Saturday9:00 am - 11:00 am
SundayClosed

Bulk Mail Acceptance Hours

Day of the weekOpening hours
Monday9:00 am - 12:30 pm, 1:30 pm - 3:00 pm
Tuesday9:00 am - 12:30 pm, 1:30 pm - 3:00 pm
Wednesday9:00 am - 12:30 pm, 1:30 pm - 3:00 pm
Thursday9:00 am - 12:30 pm, 1:30 pm - 3:00 pm
Friday9:00 am - 12:30 pm, 1:30 pm - 3:00 pm
Saturday9:00 am - 11:00 am
SundayClosed

Lobby Hours

Day of the weekOpening hours
Monday4:00 pm
Tuesday4:00 pm
Wednesday4:00 pm
Thursday4:00 pm
Friday4:00 pm
Saturday11:00 am
SundayClosed

Services in Seneca Post Office

  • 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)
  • Packaged Stamps
  • Passport Acceptance
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking
  • Passport Appointment Hours

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