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ZIP Code 61837

Rockford, Winnebago County, Illinois (IL) • Standard Postal Code

IL
City
Rockford
County
Winnebago County
State / Territory
Illinois
Area Code
(217)
Coordinates
37.0800, -106.4200
Timezone
America/Chicago
Est. Population
113,500
Country
United States (US)
View 61837 on Interactive Map → All ZIP Codes in Rockford