8 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 02840 | Newport | 23,615 |
| 02871 | Portsmouth | 17,635 |
| 02842 | Middletown | 16,920 |
| 02878 | Tiverton | 16,260 |
| 02835 | Jamestown | 5,545 |
| 02837 | Little Compton | 3,601 |
| 02841 | Newport | 1,414 |
| 02872 | Prudence Island | 105 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Newport County, Rhode Island (US Census).