Postal reference / United States

57659Walker, South Dakota

ZIP code 57659 is a United States postal code for Walker, South Dakota. Its county association is Corson County. The map reference point is at 45.9103, -101.0904.

State / territory
South Dakota
Recorded place name
Walker
County association
Corson
Estimated coordinate
45.9103, -101.0904
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ZIP prefix
576 · 32 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
13.507 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Explore South Dakota

Browse the other 384 ZIP codes recorded for South Dakota, sorted by code with place and county.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
58568SelfridgeNDSioux9.1
57642Mc LaughlinSDCorson9.8
57621BullheadSDCorson10.0
57641Mc IntoshSDCorson14.3
57660WataugaSDCorson20.3
58569ShieldsNDGrant20.6
57639Little EagleSDCorson21.3
58538Fort YatesNDSioux24.5

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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