Alton, IL ZIP Code

ZIP code, county, time zone and coordinates of Alton, Illinois

The ZIP code of Alton, IL is 62002. It is in Madison County.

Mailing address format for Alton

John Smith
123 Main St
ALTON IL 62002
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

All ZIP codes in Alton

ZIP codePopulationArea
62002—41.3 sq miMain

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

Where is Alton? Location, county and time zone

State
Illinois
County
Madison County
GPS coordinates
38.90390, -90.15120
Elevation
492 ft (150 m)
Time zone
America/ChicagoCST · UTC-06:00
Population
25,676

Map of Alton, IL 62002

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ZIP codes near Alton

Alton ZIP code: FAQ

What is the ZIP code for Alton, IL?

The main ZIP code for Alton, IL is 62002.

How many ZIP codes does Alton have?

Alton has 1 ZIP code.

What county is Alton, IL in?

Alton is in Madison County, Illinois.

What time zone is Alton in?

Alton is in the America/Chicago time zone (CST, UTC-06:00 right now).

What are the coordinates of Alton?

Latitude 38.90390, longitude -90.15120.

Last updated: