ZIP code · Franklin · Illinois · United States
ZIP code 62638 — Franklin
ZIP code 62638 serves Franklin, Illinois.
- Postal code
- 62638Single source Value from one source, not cross-checked.
- City
- Franklin
- County
- Morgan
- State
- Illinois
- Country
- United States
- Coordinates
- 39.6222, -90.0889 — precision precise (locality)
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About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page