ZIP Code 46312 – East Chicago, Indiana | ZipsCode.us
Home / Indiana ZIP Codes / ZIP Code 46312
ZIP Code 46312
East Chicago, Indiana · Lake
ZIP code 46312 belongs to the city of East Chicago in Indiana (Lake). See all Indiana ZIP Codes.
ZIP code 46312 belongs to East Chicago, Indiana, in Lake. If you are mailing a letter or package to this area, use East Chicago, IN 46312 in the address. On this page you will find the city and county for 46312, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 46312?
The city for ZIP code 46312 is East Chicago, Indiana. When you write an address in this area, the correct format is: Name, Street Address, East Chicago, IN 46312.
ZIP Code 46312 County and State
ZIP code 46312 is located in Lake, Indiana. For a complete list of cities and ZIP codes across the state, see the Indiana ZIP Codes page.
Nearby ZIP Codes in Lake
These ZIP codes are in the same county as 46312:
ZIP Code 46312 on the Map
The map below shows the approximate center of ZIP code 46312, near East Chicago, Indiana. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 41.6349, -87.4627). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 46312
According to public U.S. Census Bureau data, ZIP code 46312 is home to a community in Indiana. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 46312
Need the full ZIP+4 code for a specific street address in East Chicago? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 46312?
ZIP code 46312 is for East Chicago, Indiana.
What county is ZIP code 46312 in?
ZIP code 46312 is in Lake, Indiana.
What state is ZIP code 46312 in?
ZIP code 46312 is in Indiana (IN).
How do I find the ZIP+4 for an address in 46312?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 46312?
Nearby ZIP codes include 46303 (Cedar Lake), 46307 (Crown Point), 46308 (Crown Point), 46311 (Dyer), 46319 (Griffith).
Related ZIP Code Tools
Find the ZIP code for any U.S. street address.
See which city and county any ZIP code belongs to.
Get the full 9-digit ZIP code for precise delivery.
Track packages sent to or from any U.S. address.
Search any U.S. ZIP code, city or address — free.