| Locality | Post Code |
|---|---|
| Bailey, Muskegon | 49303 |
| Brunswick, Muskegon | 49425 |
| Casnovia, Muskegon | 49318 |
| Conklin, Muskegon | 49403 |
| Fruitport, Muskegon | 49415 |
| Holton, Muskegon | 49425 |
| Lakewood Club, Muskegon | 49457 |
| Meskegon, Muskegon | 49444, 49445 |
| Montague, Muskegon | 49437 |
| Muskegon, Muskegon | 49440, 49441, 49442, 49444, 49445 |
| Muskegon Heights, Muskegon | 49444 |
| North Muskegon, Muskegon | 49445 |
| Norton Shores, Muskegon | 49441, 49444 |
| Nunica, Muskegon | 49448 |
| Ravenna, Muskegon | 49451 |
| Roosevelt Park, Muskegon | 49441 |
| Sylvan Beach, Muskegon | 49461 |
| Twin Lake, Muskegon | 49457 |
| Wabaningo, Muskegon | 49463 |
| Whitehall, Muskegon | 49461 |