There are 7 zip codes in Newport County, Rhode Island. The most populated is 2840, located in Newport. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
284023,847Newport
287117,748Portsmouth
284217,009Middletown
287816,324Tiverton
28355,554Jamestown
28373,622Little Compton
28411,240Newport
showing: 7 rows

Zip Codes in Newport County, Rhode Island by Population (2024)