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ListPostCode
HomeCountriesContinents
ToolsBlog

Stay Updated

Get the latest postal code updates, new tools, and guides delivered to your inbox.

New postal code updatesFree tools and featuresGuides and insights

No spam, unsubscribe anytime.

ListPostCode

The comprehensive postal code directory. Find codes for any location and country quickly and accurately.

Tools

  • ATM Finder
  • Download Printable Postal Codes
  • Postcode Widget Generator
  • Post Office Finder
  • Currency Converter

Resources

  • All Postal Codes
  • Find Post Office
  • Maps
  • Countries
  • Blog

Info

  • About
  • Advertise with us
  • Contact
  • Privacy
  • Terms

© Copyright 2026 ListPostCode. All rights reserved.

  1. Home
  2. Continents
  3. North America
  4. United States
  5. South Dakota
  6. Marshall
  7. Amherst
57421

Municipality · South Dakota · Marshall · Amherst · United States

Amherst ZIP code

57421Municipality

Looking for the ZIP code for Amherst? This municipality is located in South Dakota · Marshall · Amherst · United States. Use our directory to find the correct ZIP code for Amherst and nearby locations.

Complete Location Hierarchy

Municipalities connect counties with places in United States. This level improves ZIP code lookup accuracy for shipping, address validation, and local delivery planning.

South Dakota
—
State
Marshall
—
County
57421
Municipality · Current
#LevelNameZIP code
01
State
South Dakota
—
02
County
Marshall
—
03
Municipality (Current)

Amherst

57421

Interactive map of Amherst · United States — ZIP codes & coordinates

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Open in OpenStreetMap

ZIP code for this area

Amherst uses the following ZIP code.

57421
  1. Home
  2. Continents
  3. North America
  4. United States
  5. South Dakota
  6. Marshall
  7. Amherst
57421

Municipality · South Dakota · Marshall · Amherst · United States

Amherst ZIP code

57421Municipality

Looking for the ZIP code for Amherst? This municipality is located in South Dakota · Marshall · Amherst · United States. Use our directory to find the correct ZIP code for Amherst and nearby locations.

Complete Location Hierarchy

Municipalities connect counties with places in United States. This level improves ZIP code lookup accuracy for shipping, address validation, and local delivery planning.

South Dakota
—
State
Marshall
—
County
57421
Municipality · Current
#LevelNameZIP code
01
State
South Dakota
—
02
County
Marshall
—
03
Municipality (Current)

Amherst

57421

Interactive map of Amherst · United States — ZIP codes & coordinates

Loading map…

Open in OpenStreetMap

ZIP code for this area

Amherst uses the following ZIP code.

57421