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 — STATE/MS/COUNTY/AMITE

Amite County, MS ZIP codes

Amite County, MS has 3 ZIP codes, in 3 towns: 39645, 39638 and 39664. 4 more cross into it from neighbouring counties.

The county seat is Liberty.

ZIP codes
3
Partly in it
4 more
Towns
3
County seat
Liberty
County FIPS
28005
Population
12,565
Median household income
$37,222
Land area
730 sq mi

Amite County ZIP codes by town

Liberty (county seat)
39645

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Amite County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Amite County.

Map of Amite County ZIP codes

396383964539664

The ZIP codes of Amite County, 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.

Amite County in numbers

About 12,565 people live in Amite County, in 5,850 households, the 61st most populous of Mississippi's 82 counties. The median household income is $37,222 a year, 34% below the Mississippi median of $56,447 (US: $80,734). The median owner-occupied home is valued at $100,800 (41% below the Mississippi median), and median gross rent is $670 a month. The median age is 49.2; 11.2% of adults 25 and over hold a bachelor's degree or higher (25.1% across Mississippi); the average commute takes 35 minutes.

Population12,565Amite12,565
Households5,850Amite5,850
Median age49.2Amite49.2Mississippi38.6US 38.9
Median household income$37,222Amite$37,222Mississippi$56,447US $80,734
Median home value$100,800Amite$100,800Mississippi$169,800US $332,700
Median gross rent$670Amite$670Mississippi$954US $1,413
Bachelor's degree or higher11.2%Amite11.2%Mississippi25.1%US 35.7%
Mean commute34.8 minAmite34.8 minMississippi25.6 minUS 26.4 min
Population density17 / sq miAmite17 / sq mi

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

Largest towns in Amite County

Largest towns in Amite County
TownZIP codesPopulation
Smithdale 1 2,603
Gloster 1 952
Liberty 1 864

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Amite County.

Not sure you are in Amite County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Amite County, with figures

ZIP codes in Amite County
ZIP City Type Population Median income Median home
39638 Gloster , MS Standard 3,259 $37,185 $95,400
39645 Liberty , MS Standard 4,050 $40,231 $114,800
39664 Smithdale , MS Standard 2,603 $42,500 $113,200

Cite this page

zipcodes.pro. “Amite County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ms/county/amite

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