Colby, Wisconsin Zip code
The Zip code for Colby, Wisconsin is 54421.
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The official website of The United State Postal Service(USPS) is https://www.usps.com/.
- For more information about Wisconsin (U.S. state) see Wisconsin on Wikipedia
"The Zip code (Post Code) for Colby, Wisconsin, USA: 54421" is tagged with:
USPS Zip code
Wisconsin(U.S. state)
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