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Post Office Location: 311 Oak Grove Avenue; South Beloit, IL
Year Post Office built:
Town(s) Served: South Beloit
Acceptable City Names: South Beloit
Not Acceptable City Names: Beloit
Sectional Service Facility: Rockford
County(ies): Boone, Winnebago
Info on South Beloit:
The City of South Beloit is right on the Illinois/Wisconsin State Line. This is also the city limits between Beloit, Wisconsin and South Beloit, Illinois. The city became official in 1917.
