8 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 02840 | Newport | 23,448 |
| 02871 | Portsmouth | 17,488 |
| 02842 | Middletown | 16,832 |
| 02878 | Tiverton | 16,189 |
| 02835 | Jamestown | 5,534 |
| 02837 | Little Compton | 3,584 |
| 02841 | Newport | 1,426 |
| 02872 | Prudence Island | 156 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Newport County, Rhode Island (US Census).