Mason, IL ZIP Codes, Coordinates & Counties
Mason, Illinois has 1 ZIP code in Effingham county. The approximate center of Mason is 38.954, -88.628. Mason has about 20,568 known street addresses.
ZIP codes in Mason, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 62443 | Effingham | 38.954 | -88.628 |
Counties Mason spans
Effingham
Most common streets in Mason
300th, 400th, 100th, Main, 500th, 200th, 1st, 550th, Jefferson, 1100th
Frequently asked questions
What ZIP codes are in Mason, IL?
Mason, Illinois has 1 ZIP code, ranging from 62443 to 62443. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Mason, IL in?
Mason is in Effingham county.
What are the latitude and longitude of Mason, IL?
The approximate center of Mason, Illinois is latitude 38.954, longitude -88.628. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Mason, IL have?
Mason has 1 ZIP code.
How many addresses are in Mason, IL?
Mason, Illinois has about 20,568 known street addresses in the sthan.io US address database.
What are the most common streets in Mason, IL?
Some of the most common street names in Mason are 300th, 400th, 100th, Main, 500th, 200th.
What cities are near Mason, IL?
Cities near Mason include Edgewood (4 mi), Watson (6 mi), Farina (9 mi), Altamont (10 mi), Dieterich (11 mi).
Cities near Mason
Edgewood, IL (4 mi) Watson, IL (6 mi) Farina, IL (9 mi) Altamont, IL (10 mi) Dieterich, IL (11 mi) Louisville, IL (12 mi) Effingham, IL (12 mi) Saint Elmo, IL (13 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database