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| Zip Code | State | Type | County | City | Area Code |
|---|---|---|---|---|---|
| Search for a ZIP code to see details | |||||
| County | ZIP Code | Major City | Type | Area Code |
|---|---|---|---|---|
| Valley | 59223 | Fort Peck | Standard | 406 |
| Valley | 59225 | Frazer, Lustre | Standard | 406 |
| Valley | 59230 | Glasgow, Saint Marie | Standard | 406 |
| Valley | 59231 | Saint Marie, Glasgow | PO Box | 406 |
| Valley | 59240 | Glentana | Standard | 406 |
| Valley | 59241 | Hinsdale | Standard | 406 |
| Valley | 59244 | Larslan | Standard | 406 |
| Valley | 59248 | Nashua | Standard | 406 |
| Valley | 59250 | Opheim | Standard | 406 |
| Valley | 59260 | Richland | Standard | 406 |
| Valley | 59273 | Vandalia | Standard | 406 |