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/COLUMBIA

Columbia ZIP code, Louisiana

The ZIP code for Columbia, LA is 71418, and its area code is 318.

USPS city name
1 ZIP code
Population
345
Area code
318

Columbia in numbers

About 345 people live in Columbia, in 148 households. The median household income is $55,000 a year, 9% below the Louisiana median of $60,756 (US: $80,734). The median owner-occupied home is valued at $123,800 (43% below the Louisiana median), and median gross rent is $872 a month. The median age is 31.6; 25.5% of adults 25 and over hold a bachelor's degree or higher (27.0% across Louisiana); the average commute takes 27 minutes.

Population345Columbia345
Households148Columbia148
Median age31.6Columbia31.6Louisiana38.0US 38.9
Median household income$55,000Columbia$55,000Louisiana$60,756US $80,734
Median home value$123,800Columbia$123,800Louisiana$216,500US $332,700
Median gross rent$872Columbia$872Louisiana$1,064US $1,413
Bachelor's degree or higher25.5%Columbia25.5%Louisiana27.0%US 35.7%
Mean commute26.9 minColumbia26.9 minLouisiana25.7 minUS 26.4 min
Population density452 / sq miColumbia452 / sq mi

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

ZIP codes addressed as Columbia

ZIP codes with the USPS city name Columbia
ZIP City Type Population Median income Median home
71418 Columbia , LA Standard 5,233 $40,785 $91,500

Map of Columbia ZIP codes

71418

The ZIP codes of Columbia, 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 Columbia

The nearest larger towns are Banks Springs (1,406 people, 1.8 mi), Grayson (613 people, 4.2 mi) and Clarks (770 people, 6.3 mi).

Towns near Columbia
TownPopulationDistance
Winnsboro 4,725 21.3 mi
Richwood 3,839 23.9 mi
Bawcomville 2,804 26.0 mi
Brownsville 4,357 27.1 mi
Jena 4,160 28.6 mi
West Monroe 12,729 28.7 mi
Monroe 47,004 28.8 mi

More nearby: every ZIP code in Caldwell Parish · Louisiana ZIP codes

Cite this page

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

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