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ZIP Code 61851

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

IL
City
Rockford
County
Winnebago County
State / Territory
Illinois
Area Code
(217)
Coordinates
37.3600, -106.1400
Timezone
America/Chicago
Est. Population
162,500
Country
United States (US)
View 61851 on Interactive Map → All ZIP Codes in Rockford