ZIP Code 62943

Zip Code: 62943
Type: Standard
Official USPS city name: Grantsburg
Official USPS State Code: IL
Official State Name: Illinois
ZCTA: TRUE
Population: 372.0
Density: 3.8
Primary Official County Code: 17087
Primary Official County Name: Johnson
Official County Name: Johnson| Massac| Pope
Official County Code: 17087| 17127| 17151
Imprecise: FALSE
Military: FALSE
Timezone: America/Chicago (17:34 PM Saturday, June 13 2026-06-13 (GMT -0500))
Geo Point: 37.35639, -88.74774

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