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County ZIP codes · Mississippi · FIPS 28079

Leake County, MS ZIP Codes

Leake County, Mississippi has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 6 residential and 2 for PO boxes or a single organization. 3 of the residential ones lie mainly in Leake County and 3 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $48,036 in 39090 (Kosciusko) to $58,933 in 39160 (Sallis) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Leake County?

39051 · Carthage: $49k39090 · Kosciusko: $48k39094 · Lena: $56k39160 · Sallis: $59k39189 · Walnut Grove: $49k39350 · Philadelphia: $55k39051393503909039094391603918939051 · Carthage: $49k39090 · Kosciusko: $48k39094 · Lena: $56k39160 · Sallis: $59k39189 · Walnut Grove: $49k39350 · Philadelphia: $55k39051393503909039094391603918939051 · Carthage: $49k39090 · Kosciusko: $48k39094 · Lena: $56k39160 · Sallis: $59k39189 · Walnut Grove: $49k39350 · Philadelphia: $55k390513935039090390943916039189
The residential ZIP codes of Leake 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 $48,547 and $54,779.

They carry 6 postal town names: Philadelphia, Carthage, Kosciusko, Walnut Grove, Lena, Sallis.

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

All 6 residential ZIP codes in Leake County

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

Residential ZIP codes mainly in Leake County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
39051 Carthage 14,986 35 $49k $119k 91%
39189 Walnut Grove 3,971 52 $49k $101k 74%
39094 Lena 2,955 17 $56k $97k 43%

Partly in Leake County

Residential ZIP codes mainly in another county that reach at least 1% into Leake County, by their share here
In this county
39090 Kosciusko 12,022 46 $48k $112k 16%
39160 Sallis 2,785 20 $59k $59k 8%
39350 Philadelphia 23,778 58 $55k $104k 2%

Download the 8 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?

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

Share of each ZIP code's land in Leake County and in the neighboring counties
ZIPIn LeakeElsewhere
393502%Neshoba County 91%; Winston County 6%; Kemper County 2%
3905191%Neshoba County 5%; Madison County 2%; Attala County 1%
3909016%Attala County 84%
3918974%Scott County 26%
3909443%Scott County 38%; Rankin County 19%
391608%Attala County 92%

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

PO Box and single-organization ZIP codes

ZIP codes in Leake County without a residential area (GeoNames postal codes)
ZIPPostal name
39109Madden
39171Thomastown

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Leake County's ZIP codes use 3 prefixes: 390, 391 and 393.

Three-digit prefixes of Leake 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 Leake County's
PrefixSectional centerHereAll codes
390 Jackson, MS (SCF 390) 3 43
391 Jackson, MS (SCF 390) 4 57
393 Jackson, MS (SCF 390) 1 43

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