List of All ZIP Codes in Polk County Census Division | ||||
|---|---|---|---|---|
| Map Index | ZIP Code Code | ZIP Code Name | ||
| 56517 | Beltrami | |||
| 56523 | Climax | |||
| 56535 | Erskine | |||
| 56540 | Fertile | |||
| 56542 | Fosston | |||
| 56556 | McIntosh | |||
| 56568 | Nielsville | |||
| 56592 | Winger | |||
| 56646 | Gully | |||
| 56684 | Trail | |||
| 56716 | Crookston | |||
| 56721 | East Grand Forks | |||
| 56722 | Euclid | |||
| 56723 | Fisher | |||
| 56736 | Mentor | |||
| 56762 | Warren | |||