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ZIP Code 57421 — Amherst, SD

ZIP code 57421 serves Amherst, South Dakota, within Marshall County. It is part of area code 605, with population 57 and mean income of $25,383.

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Location details

City
Amherst
County
Marshall County
State
South Dakota (SD)
Area code
605
Population
57
Mean income
$25,383
Coordinates
45.755480, -97.907060
Timezone
America/Chicago

Related ZIP codes in SD

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57702
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57401
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57104
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Brookings, SD

About ZIP code 57421

ZIP code 57421 is a Standard ZIP in Amherst, South Dakota. It is linked to area code 605 and can be used to explore related ZIP codes, state-level coverage, and nearby geographic data.

The location coordinates are 45.755480, -97.907060, which can later be displayed on a map for better geographic context.

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