| Locality | Post Code |
|---|---|
| Barryton, Mecosta | 49305 |
| Big Rapids, Mecosta | 49307 |
| Blanchard, Mecosta | 49310 |
| Canadian Lakes, Mecosta | 49346 |
| Chippewa Lake, Mecosta | 49320 |
| Evart, Mecosta | 49631 |
| Hersey, Mecosta | 49639 |
| Lakeview, Mecosta | 48850 |
| Mecosta, Mecosta | 49332 |
| Morley, Mecosta | 49336 |
| Paris, Mecosta | 49338 |
| Remus, Mecosta | 49340 |
| Rodney, Mecosta | 49342 |
| Sears, Mecosta | 49679 |
| Stanwood, Mecosta | 49346 |