ZIP codes in Marshall County
11 ZIPs touch Marshall County, Mississippi. The blue dashed line is the county border; orange ZIPs reach into it.
11
ZIP codes
7
cross the county line
107,356
people in these ZIPs
82
counties in MS
Most people
Marshall County ZIP list
More counties in Mississippi
- Lee County17
- Leflore County13
- Lincoln County14
- Lowndes County12
- Madison County16
- Marion County8
- Monroe County13
- Montgomery County7
- Neshoba County8
- Newton County11
- Noxubee County6
- Oktibbeha County7
Questions people actually ask
How many ZIP codes are in Marshall County, Mississippi?
11 ZIP codes reach into Marshall County, including 3 PO Box or single-address ZIPs placed by the town they serve. 7 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Marshall County has the most people?
38654 (Olive Branch) has about 57,898 residents, the most of any ZIP touching Marshall County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Marshall County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Marshall County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from