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 — CITY/WV/CAIRO

Cairo ZIP code, West Virginia

The ZIP code for Cairo, WV is 26337, and its area codes are 304 and 681.

USPS city name
1 ZIP code
Population
273
Area codes
304, 681

Cairo in numbers

About 273 people live in Cairo, in 124 households. The median household income is $65,500 a year, 10% above the West Virginia median of $59,608 (US: $80,734). Median gross rent is $488 a month. The median age is 46.6; 4.6% of adults 25 and over hold a bachelor's degree or higher (24.1% across West Virginia); the average commute takes 23 minutes.

Population273Cairo273
Households124Cairo124
Median age46.6Cairo46.6West Virginia42.7US 38.9
Median household income$65,500Cairo$65,500West Virginia$59,608US $80,734
Median gross rent$488Cairo$488West Virginia$872US $1,413
Bachelor's degree or higher4.6%Cairo4.6%West Virginia24.1%US 35.7%
Mean commute23.2 minCairo23.2 minWest Virginia26.6 minUS 26.4 min
Population density578 / sq miCairo578 / sq mi

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

ZIP codes addressed as Cairo

ZIP codes with the USPS city name Cairo
ZIP City Type Population Median income Median home
26337 Cairo , WV Standard 806 $49,306 $103,900

Map of Cairo ZIP codes

The ZIP codes of Cairo, WV, 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.

Towns near Cairo

The nearest larger towns are Harrisville (1,574 people, 5.6 mi), Pullman (286 people, 11 mi) and Pennsboro (1,334 people, 11 mi).

Towns near Cairo
TownPopulationDistance
Williamstown 2,980 20.8 mi
Parkersburg 29,240 21.2 mi
Marietta, OH 13,203 21.6 mi
Vienna 10,518 21.6 mi
Belpre, OH 6,654 24.0 mi
Devola, OH 2,688 25.1 mi
Blennerhassett 3,282 25.8 mi

More nearby: every ZIP code in Ritchie County · West Virginia ZIP codes

Cite this page

zipcodes.pro. “Cairo, WV ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wv/cairo

Underlying data is public domain or openly licensed — sources, vintages and licences.