Block Island, Rhode Island Zip Codes
Block Island is located in Washington County, Rhode Island. The city is served by 1 zip codes. Browse the table below to find detailed information about each zip code including demographics and maps. The area code for Block Island is 401 and it is in the Eastern Time Zone.
All Block Island Zip Codes
Block Island Zip Code Map
Interactive map of Block Island, Rhode Island. Click any marker to explore zip codes.
Block Island Demographics
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. ZIP Code Tabulation Areas (ZCTAs) used for census-level data may differ slightly from USPS ZIP code boundaries.
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