Harristown Illinois is covered by a total of 1 ZIP Codes. There are also 2 ZIP Codes that overlap Harristown but have a different postal city name. The ZIP Codes in Harristown range from 62522 to 62551. The total population of ZIP Codes in Harristown is 329.
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| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Decatur | Standard | |||
| Harristown | PO Box | |||
| Niantic | Standard |