7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 48750 | Oscoda | 9,024 |
| 48763 | Tawas City | 4,943 |
| 48730 | East Tawas | 4,586 |
| 48739 | Hale | 3,592 |
| 48770 | Whittemore | 1,826 |
| 48748 | National City | 1,438 |
| 48743 | Long Lake | 38 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Iosco County, Michigan (US Census).