Post Offices in Ottawa, IL - Location and Hours Information

Ottawa Post Offices

All 2 locations in Ottawa, Illinois with operating hours, phone numbers, and postal services around La Salle County.

Downtown Ottawa Post Office

Ottawa, IL 61350

815-433-2021 Today 9:00am - 1:30pm,
2:30pm - 4:30pm

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Ottawa Post Office

Ottawa, IL 61350

815-433-1177 Today 8:30am - 5:00pm

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