| Locality | Postal Code |
|---|---|
| Bala, Muskoka | P0C 0A2, P0C 1A0 |
| Baysville, Muskoka | P0B |
| Beaumaris, Muskoka | P1L 1W8 |
| Bracebridge, Muskoka | P1L |
| Dorset, Muskoka | P0A 0A8, P0A 1E0 |
| Dwight, Muskoka | P0A |
| Gravenhurst, Muskoka | P1P |
| Honey Harbour, Muskoka | P0E 0A2, P0E 1E0 |
| Huntsville, Muskoka | P1H |
| Kilworthy, Muskoka | P0E |
| Lake of Bays, Muskoka | P1H 2J3 |
| Mactier, Muskoka | P0C |
| Milford Bay, Muskoka | P0B 0A6, P0B 1E0 |
| Minett, Muskoka | P0B 0A4, P0B 1G0 |
| Port Carling, Muskoka | P0B |
| Port Sandfield, Muskoka | P0B 1K0 |
| Port Sydney, Muskoka | P0B |
| Torrance, Muskoka | P0C 1M0 |
| Utterson, Muskoka | P0B |
| Willow Beach, Muskoka | L0E 1S0 |
| Windermere, Muskoka | P0B 0A2, P0B 1P0 |