| Locality | Post Code |
|---|---|
| Bailey, Newaygo | 49303 |
| Bitely, Newaygo | 49309 |
| Brohman, Newaygo | 49312 |
| Croton, Newaygo | 49337 |
| Fremont, Newaygo | 49412 |
| Grant, Newaygo | 49327 |
| Hesperia, Newaygo | 49421 |
| Holton, Newaygo | 49425 |
| Howard City, Newaygo | 49329 |
| Newaygo, Newaygo | 49337 |
| Sand Lake, Newaygo | 49343 |
| Walkerville, Newaygo | 49459 |
| White Cloud, Newaygo | 49349 |
| Woodland Park, Newaygo | 49309 |