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/LA/WASHINGTON

Washington ZIP code, Louisiana

The ZIP code for Washington, LA is 70589, and its area code is 337.

USPS city name
1 ZIP code
Population
564
Area code
337

Washington in numbers

About 564 people live in Washington, in 320 households. The median household income is $41,563 a year, 32% below the Louisiana median of $60,756 (US: $80,734). The median owner-occupied home is valued at $85,300 (61% below the Louisiana median), and median gross rent is $627 a month. The median age is 30.6; 8.3% of adults 25 and over hold a bachelor's degree or higher (27.0% across Louisiana); the average commute takes 62 minutes.

Population564Washington564
Households320Washington320
Median age30.6Washington30.6Louisiana38.0US 38.9
Median household income$41,563Washington$41,563Louisiana$60,756US $80,734
Median home value$85,300Washington$85,300Louisiana$216,500US $332,700
Median gross rent$627Washington$627Louisiana$1,064US $1,413
Bachelor's degree or higher8.3%Washington8.3%Louisiana27.0%US 35.7%
Mean commute61.8 minWashington61.8 minLouisiana25.7 minUS 26.4 min
Population density682 / sq miWashington682 / sq mi

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

ZIP codes addressed as Washington

ZIP codes with the USPS city name Washington
ZIP City Type Population Median income Median home
70589 Washington , LA Standard 2,875 $49,650 $129,300

Map of Washington ZIP codes

70589

The ZIP codes of Washington, LA, 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 Washington

The nearest larger towns are Opelousas (15,495 people, 6.4 mi), Port Barre (2,275 people, 7.4 mi) and Lawtell (1,171 people, 10 mi).

Towns near Washington
TownPopulationDistance
Opelousas 15,495 6.4 mi
Ville Platte 6,253 13.7 mi
Sunset 3,074 14.5 mi
Church Point 4,096 17.3 mi
Carencro 11,619 21.0 mi
Mamou 2,864 21.3 mi
Eunice 9,239 23.1 mi
Bunkie 3,253 24.6 mi
Breaux Bridge 7,501 24.7 mi
Scott 8,609 26.0 mi
Lafayette 121,715 28.4 mi
Rayne 7,105 28.7 mi

More nearby: every ZIP code in St. Landry Parish · Louisiana ZIP codes

Cite this page

zipcodes.pro. “Washington, LA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/la/washington

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