Northwest Indiana Zip Codes Listings

These easy to read NWI zip codes tables provide a quick reference guide to the zip code and its associated city or town. The blue buttons to each city/town Community Page are conveniently linked to their nwi community pages.  Once there, you can find detailed information on each city or town.

These tables of Region zip codes include Lake County and Porter County only.  However, the visual map below does show the rest of the Northwest Indiana zip codes.

Lake County Indiana Zip Codes

Porter County Indiana Zip Codes

Entire 13 County Northwest Indiana Zip Codes Map

NW Indiana technically includes a 13 county span of the uppermost northwest area, although this website concentrates on the area known as The Region. Here is a map of the counties and individual zip codes in each.

Other Handy Resources and Links

Thinking of Buying a House in NW Indiana?

NW Indiana is a great place to live! It’s convenient to commute to Chicago, property taxes are much lower than our neighboring state, and the diversity of the area lets you choose a neighborhood you will be comfortable in.

Grab a FREE Buyer’s Guide To Real Estate to learn about the process of buying a house. If you are selling a home in NW Indiana, check out this Free Guide  especially for homeowners.

If you’ve never bought a house before, here is the first time home buyer website for you with all your answers!