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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 |
|---|---|---|---|---|
| Lewis and Clark | 59410 | Augusta | PO Box | 406 |
| Lewis and Clark | 59601 | Helena | Standard | 406 |
| Lewis and Clark | 59602 | Helena | Standard | 406 |
| Lewis and Clark | 59604 | Helena | PO Box | 406 |
| Lewis and Clark | 59620 | Helena | PO Box | 406 |
| Lewis and Clark | 59623 | Helena | Unique | 406 |
| Lewis and Clark | 59624 | Helena | PO Box | 406 |
| Lewis and Clark | 59625 | Helena | Unique | 406 |
| Lewis and Clark | 59626 | Helena | Standard | 406 |
| Lewis and Clark | 59633 | Canyon Creek | Standard | 406 |
| Lewis and Clark | 59635 | East Helena | Standard | 406 |
| Lewis and Clark | 59636 | Fort Harrison | PO Box | 406 |
| Lewis and Clark | 59639 | Lincoln | Standard | 406 |
| Lewis and Clark | 59640 | Marysville | PO Box | 406 |
| Lewis and Clark | 59648 | Wolf Creek, Craig | Standard | 406 |