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County ZIP codes · Mississippi · FIPS 28005

Amite County, MS ZIP Codes

Amite County, Mississippi has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Amite County and 6 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $37,185 in 39638 (Gloster) to $53,689 in 39653 (Meadville) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Amite County?

39631 · Centreville: $37k39633 · Crosby: $42k39638 · Gloster: $37k39645 · Liberty: $40k39652 · Magnolia: $43k39653 · Meadville: $54k39657 · Osyka: –39664 · Smithdale: $43k39666 · Summit: $46k39645396533963839666396523963139664396333965739631 · Centreville: $37k39633 · Crosby: $42k39638 · Gloster: $37k39645 · Liberty: $40k39652 · Magnolia: $43k39653 · Meadville: $54k39657 · Osyka: –39664 · Smithdale: $43k39666 · Summit: $46k39645396533963839666396523963139664396333965739631 · Centreville: $37k39633 · Crosby: $42k39638 · Gloster: $37k39645 · Liberty: $40k39652 · Magnolia: $43k39653 · Meadville: $54k39657 · Osyka: –39664 · Smithdale: $43k39666 · Summit: $46k396453965339638396663965239631396643963339657
The residential ZIP codes of Amite County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $40,231 and $45,482.

They carry 9 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 9 residential ZIP codes in Amite County

3 ZIP codes lie mainly in Amite County; 6 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Amite County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
39645 Liberty 4,050 13 $40k $115k 100%
39638 Gloster 3,259 18 $37k $95k 83%
39664 Smithdale 2,603 23 $43k $113k 58%

Partly in Amite County

Residential ZIP codes mainly in another county that reach at least 1% into Amite County, by their share here
In this county
39657 Osyka 1,796 19 – $74k 42%
39631 Centreville 4,524 29 $37k $69k 30%
39666 Summit 11,408 70 $46k $158k 30%
39652 Magnolia 7,259 46 $43k $84k 27%
39633 Crosby 759 7 $42k $60k 10%
39653 Meadville 3,247 14 $54k $98k 2%

Download the 9 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

8 ZIP codes of Amite County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Amite County and in the neighboring counties
ZIPIn AmiteElsewhere
3966630%Pike County59%; Lincoln County10%
3965227%Pike County73%
3963130%Wilkinson County70%
3963883%Wilkinson County17%
396532%Franklin County94%; Jefferson County4%
3966458%Franklin County32%; Lincoln County10%
3965742%Pike County58%
3963310%Wilkinson County90%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Amite County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Amite County starts with 396.

Three-digit prefixes of Amite County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Amite County's
PrefixSectional centerHereAll codes
396Jackson, MS (SCF 390)930

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.