All of the post offices in the city of East Chicago, IN

This page details the 2 post offices in East Chicago, IN helping you identify the ones that open the earliest or close the latest in your vicinity. The hours mentioned represent the retail hours of operation, a period when staff are present to assist with mailing services and other customer needs. Additionally, many post offices offer extended lobby hours, during which you can access your PO box, leave packages for shipment, or purchase postage via the self-service Automated Postal Center (APC) machines. The listings are organized first by city in alphabetical order, followed by the post office name, and include Street View images of the post offices where possible. Please contact us if you find an error, so that we can correct it.

Street View Image of East Chicago Post Office in East Chicago, IN

East Chicago Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
901 E Chicago Ave East Chicago, IN 46312

Get directions

Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed

Phone: 219-397-2415

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Street View Image of Harbor Post Office in East Chicago, IN

Harbor Post Office is currently closed

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
3813 Main St East Chicago, IN 46312

Get directions

Open hours
Day Open Close
Monday 9:00 AM 12:00 PM
1:15 PM 5:00 PM
Tuesday 9:00 AM 12:00 PM
1:15 PM 5:00 PM
Wednesday 9:00 AM 12:00 PM
1:15 PM 5:00 PM
Thursday 9:00 AM 12:00 PM
1:15 PM 5:00 PM
Friday 9:00 AM 12:00 PM
1:15 PM 5:00 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed

Phone: 219-397-2417

  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value