Seneca Post Office

121 E Armour St
Seneca, IL 61360
(815) 357-8393
(815) 357-8393
Hours of Operation: View Hours

View the Seneca Post Office hours along with contact information, and more to get your post office needs done in Seneca, IL.

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What are the hours for the Seneca Post Office?

Seneca Post Office Hours

Mon-Fri 9:00am-12:30pm 1:30pm-4:30pm Sat 9:00am-11:00am Sun closed

Seneca Post Office Additional Information:

Located in LaSalle County

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