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  2. What is the zip code of Oshkosh, WI, 54903

Oshkosh (WI) Zip Code is 54903 Latest Details Mar, 2025

Updated: 11-03-2025

Oshkosh (WI) zip Code is 54903, Postal Code details. Oshkosh is located in state WI, United States.

Find Zip Code 54903 Details

ZIP code 54903 is located in Oshkosh WI in the United States.

Postal Code United States Zip Code 54903 Latest update Oshkosh, WI
Zip Code / Postal Code 54903

City

Oshkosh

State Code

WI

County

Winnebago, United States

Postal Locations

Oshkosh, WI - Zip Code is - 54903

Postal

United States Postal Service USPS Link

Delivery Type

Package Delivery and first class mail.

The zip code 54903 is an essential part of the postal system in Oshkosh, WI. Located in a vibrant part of the city, this zip code covers a variety of neighborhoods, offering residents and businesses a unique blend of suburban comfort and urban convenience. Whether you're looking to send mail, relocate, or simply learn more about the area, Oshkosh has a lot to offer.

FAQ about Zip Code 54903, Oshkosh, (WI)

What is Zip code Oshkosh?

Oshkosh Zip Code: 54903, used by the Oshkosh Post Office and USPS, is a Zone Improvement Plan code that ensures faster, accurate mail delivery in Winnebago, WI. Represented by the American Postal Workers Union (APWU), USPS oversees postal operations.

What is Postal code of area Oshkosh?

Oshkosh Postal Code is: 54903

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