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Post Office Location: 211 North Clay Street; Mount Carroll, IL
Year Post Office built:
Town(s) Served: Mount Carroll
Acceptable City Names: Mount Carroll
Not Acceptable City Names: Mt Carroll
Sectional Service Facility: Rockford
County(ies): Carroll, Jo Daviess
Info on Mount Carroll:
The City of Mount Carroll is located in in Central Carroll County. It was founded in 1843. This is the county seat of Carroll County. Mount Carroll has the record for being the coldest place in the state of Illinois.
