City · Illinois · United States
Thayer, IL — ZIP codes
1 ZIP code · Sangamon County
- City
- Thayer
- County
- Sangamon
- State
- Illinois
- Country
- United States
- Postal code
- 62689Single source
- Coordinates
- 39.5394, -89.7621 View on OpenStreetMap
- Area code
- 217 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 62689 | Thayer | Single source |
Sources and verification
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 · U.S. Census Bureau (ACS). Last generated : 2026-08-21. Report an error.