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County ZIP codes · Mississippi · FIPS 28151

Washington County, MS ZIP Codes

Washington County, Mississippi has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 10 residential and 4 for PO boxes or a single organization. 3 of the residential ones extend into a neighboring county. Median household income ranges from $40,854 in 38701 (Greenville) to $45,625 in 38756 (Leland) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Washington County?

38701 · Greenville: $41k38703 · Greenville: $44k38722 · Arcola: $22k38723 · Avon: –38731 · Chatham: –38744 · Glen Allan: $23k38748 · Hollandale: $45k38756 · Leland: $46k38760 · Metcalfe: $38k38776 · Stoneville: –3874838703387563870138744387313872238701 · Greenville: $41k38703 · Greenville: $44k38722 · Arcola: $22k38723 · Avon: –38731 · Chatham: –38744 · Glen Allan: $23k38748 · Hollandale: $45k38756 · Leland: $46k38760 · Metcalfe: $38k38776 · Stoneville: –38748387033875638701387443873138701 · Greenville: $41k38703 · Greenville: $44k38722 · Arcola: $22k38723 · Avon: –38731 · Chatham: –38744 · Glen Allan: $23k38748 · Hollandale: $45k38756 · Leland: $46k38760 · Metcalfe: $38k38776 · Stoneville: –387483870338756387013874438731
The residential ZIP codes of Washington 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?

They carry 9 postal town names.

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

All 10 residential ZIP codes in Washington County

Residential ZIP codes mainly in Washington County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
38701 Greenville 20,853 233 $41k $127k 100%
38703 Greenville 11,028 78 $44k $86k 86%
38756 Leland 5,887 30 $46k $113k 100%
38748 Hollandale 3,192 12 $45k $84k 95%
38760 Metcalfe 934 572 $38k $72k 100%
38744 Glen Allan 512 7 $23k $141k 69%
38723 Avon 250 482 – – 100%
38722 Arcola 248 50 $22k $88k 100%
38731 Chatham 39 3 – – 100%
38776 Stoneville no residents 0 – – 100%

Download the 14 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?

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

Share of each ZIP code's land in Washington County and in the neighboring counties
ZIPIn WashingtonElsewhere
3870386%Bolivar County 14%
3874895%Sharkey County 5%
3874469%Issaquena County 31%

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

PO Box and single-organization ZIP codes

ZIP codes in Washington County without a residential area (GeoNames postal codes)
ZIPPostal name
38702Greenville
38704Greenville
38780Wayside
38782Winterville

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Washington 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 Washington County starts with 387.

Three-digit prefixes of Washington 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 Washington County's
PrefixSectional centerHereAll codes
387 Jackson, MS (SCF 390) 14 46

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