17 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 43701 | Zanesville | 55,674 |
| 43830 | Nashport | 6,502 |
| 43762 | New Concord | 5,098 |
| 43822 | Frazeysburg | 4,520 |
| 43777 | Roseville | 4,435 |
| 43821 | Dresden | 4,282 |
| 43771 | Philo | 2,225 |
| 43734 | Duncan Falls | 1,824 |
| 43802 | Adamsville | 1,402 |
| 43767 | Norwich | 1,233 |
| 43727 | Chandlersville | 1,176 |
| 43746 | Hopewell | 1,128 |
| 43720 | Blue Rock | 1,105 |
| 43735 | East Fultonham | 497 |
| 43842 | Trinway | 212 |
| 43738 | Fultonham | 130 |
| 43791 | White Cottage | 38 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 17 ZCTAs in Muskingum County, Ohio (US Census).