Grantsburg, IL ZIP Codes, Coordinates & Counties
Grantsburg, Illinois has 1 ZIP code in Johnson county. The approximate center of Grantsburg is 37.356, -88.748. Grantsburg has about 2,566 known street addresses.
ZIP codes in Grantsburg, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 62943 | Johnson | 37.356 | -88.748 |
Counties Grantsburg spans
Johnson
Most common streets in Grantsburg
Nelson, Hall, Wright, Woodhaven, Wellington, Ramsey, Colonial, Willow, Chestnut, Hazel
Frequently asked questions
What ZIP codes are in Grantsburg, IL?
Grantsburg, Illinois has 1 ZIP code, ranging from 62943 to 62943. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Grantsburg, IL in?
Grantsburg is in Johnson county.
What are the latitude and longitude of Grantsburg, IL?
The approximate center of Grantsburg, Illinois is latitude 37.356, longitude -88.748. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Grantsburg, IL have?
Grantsburg has 1 ZIP code.
How many addresses are in Grantsburg, IL?
Grantsburg, Illinois has about 2,566 known street addresses in the sthan.io US address database.
What are the most common streets in Grantsburg, IL?
Some of the most common street names in Grantsburg are Nelson, Hall, Wright, Woodhaven, Wellington, Ramsey.
What cities are near Grantsburg, IL?
Cities near Grantsburg include Belknap (7 mi), Simpson (8 mi), Vienna (8 mi), Metropolis (9 mi), Golconda (11 mi).
Cities near Grantsburg
Belknap, IL (7 mi) Simpson, IL (8 mi) Vienna, IL (8 mi) Metropolis, IL (9 mi) Golconda, IL (11 mi) Joppa, IL (12 mi) Karnak, IL (12 mi) Eddyville, IL (13 mi)
Need this for any US address, in code?
Get the ZIP code, county, and coordinates for any US address through the sthan.io API. Free 100 requests/month, no credit card required.
View the API →Last updated: June 2026 · Data: sthan.io US address database