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County ZIP codes · South Dakota · FIPS 46095

Mellette County, SD ZIP Codes

Mellette County, South Dakota has 6 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in Mellette County and 2 mainly in a neighboring county; 4 cross the county line. Median household income ranges from $56,474 in 57579 (White River) to $59,547 in 57580 (Winner) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Mellette County?

57521 · Belvidere: $58k57560 · Norris: –57566 · Parmelee: $14k57579 · White River: $57k57580 · Winner: $60k57585 · Wood: –57580575795752157585575605756657521 · Belvidere: $58k57560 · Norris: –57566 · Parmelee: $14k57579 · White River: $57k57580 · Winner: $60k57585 · Wood: –57580575795752157585575605756657521 · Belvidere: $58k57560 · Norris: –57566 · Parmelee: $14k57579 · White River: $57k57580 · Winner: $60k57585 · Wood: –575805757957521575855756057566
The residential ZIP codes of Mellette 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 6 postal town names: Winner, White River, Parmelee, Norris, Belvidere, Wood.

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

All 6 residential ZIP codes in Mellette County

4 ZIP codes lie mainly in Mellette County; 2 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Mellette County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
57579 White River 1,277 2 $57k $61k 100%
57560 Norris 391 2 – – 56%
57521 Belvidere 314 1 $58k – 50%
57585 Wood 114 0 – $402k 100%

Partly in Mellette County

Residential ZIP codes mainly in another county that reach at least 1% into Mellette County, by their share here
In this county
57566 Parmelee 1,184 8 $14k $12k 9%
57580 Winner 4,386 4 $60k $134k 3%

Download the 6 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?

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

Share of each ZIP code's land in Mellette County and in the neighboring counties
ZIPIn MelletteElsewhere
575803%Tripp County 80%; Todd County 17%
575669%Todd County 91%
5756056%Bennett County 25%; Jackson County 19%
5752150%Jackson County 50%

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

Which first three digits do Mellette 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 Mellette County starts with 575.

Three-digit prefixes of Mellette 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 Mellette County's
PrefixSectional centerHereAll codes
575 Dakota Central, SD (SCF 572) 6 43

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