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/LACASSINE

Lacassine ZIP code, Louisiana

The ZIP code for Lacassine, LA is 70650, and its area code is 337.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
218
Area code
337

Mail addressed to Lacassine uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Lacassine in numbers

About 218 people live in Lacassine, in 147 households. The median age is 54.7; 0.0% of adults 25 and over hold a bachelor's degree or higher (27.0% across Louisiana).

Population218Lacassine218
Households147Lacassine147
Median age54.7Lacassine54.7Louisiana38.0US 38.9
Bachelor's degree or higher0.0%Lacassine0.0%Louisiana27.0%US 35.7%
Population density125 / sq miLacassine125 / sq mi

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

ZIP codes addressed as Lacassine

ZIP codes with the USPS city name Lacassine
ZIP City Type Population Median income Median home
70650 Lacassine , LA Standard 218 — —

Other ZIP codes overlapping Lacassine

These ZIP codes cover part of Lacassine but are addressed as somewhere else.

ZIP codes overlapping Lacassine
ZIP City Type Population Median income Median home
70647 Iowa , LA Standard 12,736 $71,045 $270,900

Map of Lacassine ZIP codes

70650

The ZIP codes of Lacassine, 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 Lacassine

The nearest larger towns are Iowa (3,200 people, 5.5 mi), Welsh (3,313 people, 6.5 mi) and Hayes (690 people, 8.4 mi).

Towns near Lacassine
TownPopulationDistance
Iowa 3,200 5.5 mi
Welsh 3,313 6.5 mi
Jennings 9,553 15.7 mi
Lake Charles 81,143 17.5 mi
Moss Bluff 12,482 17.9 mi
Lake Arthur 2,585 18.0 mi
Westlake 4,743 20.5 mi
Prien 7,119 21.8 mi
Sulphur 20,775 26.0 mi
Carlyss 4,412 27.1 mi

More nearby: every ZIP code in Jefferson Davis Parish · Louisiana ZIP codes

Cite this page

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

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