Crystal Lake Iowa is covered by a total of 1 ZIP Codes. There are also 1 ZIP Codes that overlap Crystal Lake but have a different postal city name. The ZIP Codes in Crystal Lake range from 50432 to 50436. The total population of ZIP Codes in Crystal Lake is 261.
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| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Crystal Lake | PO Box | |||
| Forest City | Standard |