Wisconsin Zip Codes

898 Zip Codes serve Wisconsin

Overview

Wisconsin, like the rest of the United States, employs a zip code system to facilitate efficient mail delivery. Zip codes in Wisconsin typically consist of five digits, with optional additional four-digit extensions for more precise location targeting. The first digit of the code represents a general geographic area, while subsequent digits provide progressively more specific location information. For instance, lower numbers are generally found in the southern part of the state, while higher numbers are situated in the northern regions. The zip code system aids in streamlining mail sorting and delivery processes, ensuring that correspondence reaches its intended destination in a timely and accurate manner throughout Wisconsin's diverse urban and rural landscapes.

Wisconsin Zip Codes List