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ZIP Code 61621

Crystal Lake, McHenry County, Illinois (IL) • Standard Postal Code

IL
City
Crystal Lake
County
McHenry County
State / Territory
Illinois
Area Code
(217)
Coordinates
36.6200, -106.8800
Timezone
America/Chicago
Est. Population
50,500
Country
United States (US)
View 61621 on Interactive Map → All ZIP Codes in Crystal Lake