Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/RI/COUNTY/WASHINGTON

Washington County, RI ZIP codes

There are 23 ZIP codes in Washington County, RI, in 22 towns, from 02804 to 02898. The largest are 02852 (North Kingstown), 02891 (Westerly) and 02879 (Wakefield).

The county seat is South Kingstown.

ZIP codes
23
Towns
22
County seat
South Kingstown
County FIPS
44009
Population
130,344
Median household income
$106,638
Land area
329 sq mi
Area code
401

Washington County ZIP codes by town

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Washington County ZIP codes

0280402807028080281202813028220283202833028360285202873028740287502877028790288002881028820288302891028920289402898

The ZIP codes of Washington County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Washington County in numbers

About 130,344 people live in Washington County, in 52,549 households, the 3rd most populous of Rhode Island's 5 counties. The median household income is $106,638 a year, 21% above the Rhode Island median of $87,796 (US: $80,734). The median owner-occupied home is valued at $510,800 (26% above the Rhode Island median), and median gross rent is $1,327 a month. The median age is 45.5; 52.4% of adults 25 and over hold a bachelor's degree or higher (37.7% across Rhode Island); the average commute takes 26 minutes.

Population130,344Washington130,344
Households52,549Washington52,549
Median age45.5Washington45.5Rhode Island40.6US 38.9
Median household income$106,638Washington$106,638Rhode Island$87,796US $80,734
Median home value$510,800Washington$510,800Rhode Island$404,200US $332,700
Median gross rent$1,327Washington$1,327Rhode Island$1,342US $1,413
Bachelor's degree or higher52.4%Washington52.4%Rhode Island37.7%US 35.7%
Mean commute26.0 minWashington26.0 minRhode Island25.5 minUS 26.4 min
Population density396 / sq miWashington396 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Washington County

Largest towns in Washington County
TownZIP codesPopulation
North Kingstown 1 23,406
Wakefield 2 21,802
Westerly 1 18,411
Narragansett 1 13,091
Kingston 1 7,332
Exeter 1 6,539
Saunderstown 1 6,379
West Kingston 1 5,768
Hope Valley 1 2,297
Ashaway 1 1,722
Bradford 1 1,511
Charlestown 1 1,499
Carolina 1 1,048
Wood River Junction 1 831
Block Island 1 777

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Not sure you are in Washington County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Washington County, with figures

ZIP codes in Washington County
ZIP City Type Population Median income Median home
02804 Ashaway , RI Standard 2,609 $102,118 $355,400
02807 Block Island , RI Standard 777 $83,190 $1,301,100
02808 Bradford , RI Standard 2,657 $106,681 $388,300
02812 Carolina , RI Standard 1,479 $104,934 $472,800
02813 Charlestown , RI Standard 8,051 $109,404 $525,500
02822 Exeter , RI Standard 6,539 $112,813 $520,100
02832 Hope Valley , RI Standard 4,998 $105,976 $432,300
02833 Hopkinton , RI Standard 499 — $283,100
02836 Kenyon , RI Standard 104 — $458,100
02852 North Kingstown , RI Standard 23,406 $118,643 $504,900
02873 Rockville , RI Standard 124 $46,406 $360,200
02874 Saunderstown , RI Standard 6,379 $159,861 $713,700
02875 Shannock , RI Standard 44 — —
02877 Slocum , RI No street area — — —
02879 Wakefield , RI Standard 21,802 $112,231 $564,700
02880 Wakefield , RI No street area — — —
02881 Kingston , RI Standard 7,687 $56,472 $575,000
02882 Narragansett , RI Standard 13,091 $95,721 $749,700
02883 Peace Dale , RI No street area — — —
02891 Westerly , RI Standard 21,587 $97,110 $470,000
02892 West Kingston , RI Standard 5,768 $135,809 $490,600
02894 Wood River Junction , RI Standard 831 — $340,600
02898 Wyoming , RI Standard 1,912 $119,038 $424,300

Cite this page

zipcodes.pro. “Washington County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ri/county/washington

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