| Locality | Post Code |
|---|---|
| Peasleeville, Clinton | 12985 |
| Perrys Mills, Clinton | 12919 |
| Peru, Clinton | 12972 |
| Plattsburgh, Clinton | 12901, 12903 |
| Purdys Mills, Clinton | 12910 |
| Redford, Clinton | 12978 |
| Rouses Point, Clinton | 12979 |
| Saranac, Clinton | 12981 |
| Schuyler Falls, Clinton | 12985 |
| Sciota, Clinton | 12992 |
| South Plattsburgh, Clinton | 12901 |
| Standish, Clinton | 12952 |
| Swastika, Clinton | 12985 |
| West Chazy, Clinton | 12992 |
| West Plattsburgh, Clinton | 12962 |