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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 — ZIP/02891

02891

ZIP 02891 is Westerly, Rhode Island, in Washington County; area code 401; Eastern time.

Type
Standard
Time zone
America/New_York
County
Washington
Population
21,587
Coordinates
41.3578, -71.7896
☼ Live from 02891 — Westerly, RI

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Where 02891 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 02891
  • 🔢 Type 02891 into a pocket calculator and turn it upside down: IGBZO — not quite a word, sorry.
  • ➕ As a number, 2,891 = 7 × 7 × 59. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101101001011
  • 🏠 Its numerical neighbours: 02889 (Warwick, RI, 32 mi away) and 02892 (West Kingston, RI, 14 mi away).
  • 🔄 Backwards, 02891 becomes 19820, which is not a ZIP code at all.
  • 👥 59 other ZIP codes are made of exactly the same digits (01982, 02189, 02918, 08219, 09128, 09182, …). The farthest-flung twin is 09812 in APO AE, a military post office, 6,789 miles away.
  • 🧭 Farther north than 70% of all ZIP codes, and farther east than 95%.
  • 🎯1,404 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 02891 and you would come out at 41.36°S, 108.21°E — 775 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 10m of daylight. Shortest: 9h 11m.
  • 📏 At 26.3 square miles of land, 02891 is bigger than 43% of ZIP codes — room for about 20 Central Parks.
🌙 The sky over 02891 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population21,587This ZIP21,587
Households9,753This ZIP9,753
Housing units12,345This ZIP12,345
Median age53.5This ZIP53.5Rhode Island40.6US 38.9
Median household income$97,110This ZIP$97,110Rhode Island$87,796US $80,734
Median home value$470,000This ZIP$470,000Rhode Island$404,200US $332,700
Median gross rent$1,266This ZIP$1,266Rhode Island$1,342US $1,413
Bachelor's degree or higher46.1%This ZIP46.1%
Mean commute23.6 minThis ZIP23.6 min
Population density821.3 / sq miThis ZIP821.3 / sq mi

Business and tax activity

Business establishments740This ZIP740
Employees7,587This ZIP7,587
Annual payroll$429,014,000This ZIP$429,014,000
Tax returns filed12,030This ZIP12,030
Total adjusted gross income$1,298,581,000This ZIP$1,298,581,000

Land area

Land area26.28 sq miThis ZIP26.28 sq mi
Water area4.77 sq miThis ZIP4.77 sq mi

Other place names in 02891

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 02891

ZIPCityDistance
06379 Pawcatuck, CT 3.3 mi
02808 Bradford, RI 4.5 mi
02804 Ashaway, RI 5.3 mi
06378 Stonington, CT 6.4 mi
02813 Charlestown, RI 6.7 mi
02894 Wood River Junction, RI 7.6 mi
02880 Wakefield, RI 7.7 mi
06372 Old Mystic, CT 8.6 mi
02833 Hopkinton, RI 8.8 mi
06359 North Stonington, CT 8.9 mi

Find every ZIP code within 10 miles of 02891 →

Questions about this ZIP code

Where is ZIP code 02891?

02891 is in Westerly, Rhode Island, in Washington County, part of the Providence-Warwick, RI-MA metropolitan area. Its published point location is 41.3578, -71.7896.

What county is 02891 in?

02891 lies in Washington County.

What area code is 02891?

Westerly uses area code 401, from NANPA's telephone records.

What time zone is 02891 in?

02891 uses America/New_York.

How many people live in 02891?

About 21,587 people live in ZIP code 02891, in 9,753 households, at 821.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 02891?

$97,110 a year, against $87,796 across Rhode Island.

What ZIP codes are near 02891?

The closest are 06379 (3.3 mi), 02808 (4.5 mi), 02804 (5.3 mi), 06378 (6.4 mi) and 02813 (6.7 mi).

Is 02891 a PO Box ZIP code?

02891 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “02891 ZIP Code — Westerly, Rhode Island (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/02891

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