Allentown zip code
Zip code in Allentown, IL
The location Allentown belongs to Tazewell County, state of Illinois. Allentown has been assigned with the zip code 61568.
The location name Allentown is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Tremont, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 61568 | STANDARD | 4,300 |
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