Ritter zip code
Zip code in Ritter, IA
The location Ritter belongs to O'Brien County, state of Iowa. Ritter has been assigned with the zip code 51201.
The location name Ritter is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Sheldon, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 51201 | STANDARD | 5,580 |
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