Williamson zip code
Zip code in Williamson, IL
The location Williamson belongs to Macoupin County, state of Illinois. Williamson has been assigned with the zip code 62088.
The location name Williamson is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Staunton, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 62088 | STANDARD | 6,040 |
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