ZIP Code 46312: East Chicago, IN
County: Lake
Coordinates: 41.63490, -87.46270
ZIP Type: Standard
Time Zone: Central Time (CT)
Explore detailed information for ZIP code 46312 in East Chicago, IN. We include verified county details for Lake plus key geographic references used for mapping and logistics.
| Primary City | East Chicago |
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| ZIP Code | 46312 |
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| County | Lake |
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| State | IN |
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| Latitude / Longitude | 41.63490, -87.46270 |
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| ZIP Type | Standard |
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| Time Zone | Central Time (CT) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 46312 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 46312 is approximately 41.63490 (latitude) and -87.46270 (longitude). This location sits within Lake, contributing to regional planning across IN.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 46312 for mail delivery and general location reference in
Lake,
IN.
Some addresses near East Chicago may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near East Chicago within IN.
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Frequently Asked Questions
What is the primary city for ZIP code 46312?
The primary city for this ZIP code is East Chicago, located in IN.
In which county is 46312 located?
ZIP code 46312 is situated within Lake, IN.
What are the coordinates for 46312?
The approximate center point is 41.63490 (Latitude) and -87.46270 (Longitude).
Is ZIP code 46312 active?
This page lists ZIP 46312 as Listed based on the latest refresh date shown above.
Does ZIP 46312 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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Methodology & Data Notes
How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.
Page updated: 2026-01-08