Post offices in the county of Lake, IN

Use this page to find the post offices in your county that open earliest or stay open latest. The open hours listed are for the post office's retail hours, which means the hours in which a postal service employee is available at the counter to help with mailings and other services. Oftentimes lobbies are open extended hours, and you are able to check your PO box, drop off packages, or use the self-service APC machine to buy postage. The list below is first sorted alphabetically by city, then by post office name. Street View photos of post offices are shown when available. Please contact us if you find an error, so that we can correct it.

Street View Image of Cedar Lake Post Office in Cedar Lake, IN

Cedar Lake 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
9715 W 133rd Ave Cedar Lake , IN 46303-9998

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Open hours
Day Open Close
Monday 8:30 AM 4:30 PM
Tuesday 8:30 AM 4:30 PM
Wednesday 8:30 AM 4:30 PM
Thursday 8:30 AM 4:30 PM
Friday 8:30 AM 4:30 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed

Phone: 219-374-7633

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Street View Image of Crown Point Post Office in Crown Point, IN

Crown Point 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
128 S East St Crown Point, IN 46307-9920

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Open hours
Day Open Close
Monday 8:00 AM 6:00 PM
Tuesday 8:00 AM 6:00 PM
Wednesday 8:00 AM 6:00 PM
Thursday 8:00 AM 6:00 PM
Friday 8:00 AM 6:00 PM
Saturday 8:30 AM 2:00 PM
Sunday Closed

Phone: 219-663-0805

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Street View Image of Crown Point Annex Post Office in Crown Point, IN

Crown Point Annex Post Office does not have retail counter services

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

Street View Image of Dyer Post Office in Dyer, IN

Dyer 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
2225 Great Lakes Dr Dyer , IN 46311-9998

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Open hours
Day Open Close
Monday 8:30 AM 6:00 PM
Tuesday 8:30 AM 6:00 PM
Wednesday 8:30 AM 6:00 PM
Thursday 8:30 AM 6:00 PM
Friday 8:30 AM 6:00 PM
Saturday 8:30 AM 12:30 PM
Sunday Closed

Phone: 219-865-1267

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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 46312-9998

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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 open

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 46312-2360

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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

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Street View Image of 15th Avenue Post Office in Gary, IN

15th Avenue 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
1490 Broadway Gary, IN 46407-9998

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Open hours
Day Open Close
Monday 8:00 AM 4:00 PM
Tuesday 8:00 AM 4:00 PM
Wednesday 8:00 AM 4:00 PM
Thursday 8:00 AM 4:00 PM
Friday 8:00 AM 4:00 PM
Saturday Closed
Sunday Closed

Phone: 219-882-6472

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Street View Image of Gary Post Office in Gary, IN

Gary 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
1499 Martin Luther King Dr Gary, IN 46401-9998

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Open hours
Day Open Close
Monday 8:00 AM 6:00 PM
Tuesday 8:00 AM 6:00 PM
Wednesday 8:00 AM 6:00 PM
Thursday 8:00 AM 6:00 PM
Friday 8:00 AM 6:00 PM
Saturday 8:00 AM 2:00 PM
Sunday Closed
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Street View Image of Glen Park Post Office in Gary, IN

Glen Park 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
320 E 40th Ave Gary, IN 46409-9998

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Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Tuesday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Wednesday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Thursday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Friday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Saturday 8:00 AM 12:00 PM
Sunday Closed

Phone: 219-484-2043

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Street View Image of Miller Post Office in Gary, IN

Miller 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
518 S Hancock St Gary, IN 46403-9998

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Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Tuesday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Wednesday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Thursday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Friday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Saturday 8:00 AM 12:00 PM
Sunday Closed

Phone: 219-938-9701

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Street View Image of Tolleston Post Office in Gary, IN

Tolleston 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
2407 W 11th Ave Gary, IN 46404-9998

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Open hours
Day Open Close
Monday 8:00 AM 1:00 PM
2:30 PM 5:00 PM
Tuesday 8:00 AM 1:00 PM
2:30 PM 5:00 PM
Wednesday 8:00 AM 1:00 PM
2:30 PM 5:00 PM
Thursday 8:00 AM 1:00 PM
2:30 PM 5:00 PM
Friday 8:00 AM 1:00 PM
2:30 PM 5:00 PM
Saturday 8:00 AM 12:00 PM
Sunday Closed

Phone: 219-944-7795

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Street View Image of Griffith Post Office in Griffith, IN

Griffith 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
900 N Broad St Griffith , IN 46319-9998

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Open hours
Day Open Close
Monday 8:00 AM 6:00 PM
Tuesday 8:00 AM 6:00 PM
Wednesday 8:00 AM 6:00 PM
Thursday 8:00 AM 6:00 PM
Friday 8:00 AM 6:00 PM
Saturday 9:00 AM 3:00 PM
Sunday Closed

Phone: 219-838-4140

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Street View Image of Hammond Post Office in Hammond, IN

Hammond 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
5530 Sohl Ave Hammond, IN 46320-9998

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Open hours
Day Open Close
Monday 8:30 AM 5:00 PM
Tuesday 8:30 AM 5:00 PM
Wednesday 8:30 AM 5:00 PM
Thursday 8:30 AM 5:00 PM
Friday 8:30 AM 5:00 PM
Saturday 8:30 AM 12:30 PM
Sunday Closed
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Street View Image of Hessville Post Office in Hammond, IN

Hessville 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
6530 Kennedy Ave Hammond, IN 46323-9998

Get directions

Open hours
Day Open Close
Monday 9:00 AM 4:30 PM
Tuesday 9:00 AM 4:30 PM
Wednesday 9:00 AM 4:30 PM
Thursday 9:00 AM 4:30 PM
Friday 9:00 AM 4:30 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed

Phone: 219-844-2416

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Street View Image of South Calumet Avenue Post Office in Hammond, IN

South Calumet Avenue 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
7142 Calumet Ave Hammond, IN 46324-2406

Get directions

Open hours
Day Open Close
Monday 8:30 AM 3:30 PM
Tuesday 8:30 AM 3:30 PM
Wednesday 8:30 AM 3:30 PM
Thursday 8:30 AM 3:30 PM
Friday 8:30 AM 3:30 PM
Saturday 8:30 AM 12:30 PM
Sunday Closed

Phone: 219-932-0346

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Street View Image of Highland Post Office in Highland, IN

Highland 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
8500 Kennedy Ave Highland , IN 46322-1619

Get directions

Open hours
Day Open Close
Monday 8:30 AM 6:00 PM
Tuesday 8:30 AM 6:00 PM
Wednesday 8:30 AM 6:00 PM
Thursday 8:30 AM 6:00 PM
Friday 8:30 AM 6:00 PM
Saturday 8:30 AM 3:00 PM
Sunday Closed
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Street View Image of Hobart Post Office in Hobart, IN

Hobart 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
221 Main St Hobart , IN 46342-9998

Get directions

Open hours
Day Open Close
Monday 9:00 AM 5:30 PM
Tuesday 9:00 AM 5:30 PM
Wednesday 9:00 AM 5:30 PM
Thursday 9:00 AM 5:30 PM
Friday 9:00 AM 5:30 PM
Saturday 9:00 AM 2:00 PM
Sunday Closed
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Street View Image of Lake Station Post Office in Lake Station, IN

Lake Station 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
2901 Central Ave Lake Station , IN 46405-9998

Get directions

Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Tuesday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Wednesday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Thursday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Friday 8:00 AM 12:00 PM
1:30 PM 5:00 PM
Saturday 8:00 AM 12:00 PM
Sunday Closed
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Street View Image of Leroy Post Office in Leroy, IN

Leroy 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
14120 Elkhart St Leroy , IN 46355-9998

Get directions

Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
Tuesday 8:00 AM 12:00 PM
Wednesday 8:00 AM 12:00 PM
Thursday 8:00 AM 12:00 PM
Friday 8:00 AM 12:00 PM
Saturday 8:00 AM 10:30 AM
Sunday Closed

Phone: 219-663-4223

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Street View Image of Lowell Post Office in Lowell, IN

Lowell 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
202 Washington St Lowell , IN 46356-1719

Get directions

Open hours
Day Open Close
Monday 8:30 AM 4:30 PM
Tuesday 8:30 AM 4:30 PM
Wednesday 8:30 AM 4:30 PM
Thursday 8:30 AM 4:30 PM
Friday 8:30 AM 4:30 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed

Phone: 219-696-8594

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Street View Image of Merrillville Post Office in Merrillville, IN

Merrillville 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
303 W 80th Pl Merrillville , IN 46410-9998

Get directions

Open hours
Day Open Close
Monday 7:30 AM 7:00 PM
Tuesday 7:30 AM 7:00 PM
Wednesday 7:30 AM 7:00 PM
Thursday 7:30 AM 7:00 PM
Friday 7:30 AM 7:00 PM
Saturday 7:30 AM 3:00 PM
Sunday Closed

Phone: 219-769-2155

  • Stamps.com logo
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Street View Image of Munster Post Office in Munster, IN

Munster 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
915 Ridge Rd Bldg 2 Munster, IN 46321-9998

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Open hours
Day Open Close
Monday 8:00 AM 6:00 PM
Tuesday 8:00 AM 6:00 PM
Wednesday 8:00 AM 6:00 PM
Thursday 8:00 AM 6:00 PM
Friday 8:00 AM 6:00 PM
Saturday 8:30 AM 3:00 PM
Sunday Closed

Phone: 219-836-8225

  • Stamps.com logo
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Street View Image of Munster Post Office in Munster, IN

Munster Post Office does not have retail counter services

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

Street View Image of Saint John Post Office in Saint John, IN

Saint John 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
9200 Thiel St Saint John , IN 46373-9998

Get directions

Open hours
Day Open Close
Monday 9:00 AM 5:30 PM
Tuesday 9:00 AM 5:30 PM
Wednesday 9:00 AM 5:30 PM
Thursday 9:00 AM 5:30 PM
Friday 9:00 AM 5:30 PM
Saturday 9:00 AM 12:30 PM
Sunday Closed
  • Stamps.com logo
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Street View Image of Schererville Post Office in Schererville, IN

Schererville 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
1200 Eagle Ridge Dr Schererville , IN 46375-9998

Get directions

Open hours
Day Open Close
Monday 9:00 AM 6:00 PM
Tuesday 9:00 AM 6:00 PM
Wednesday 9:00 AM 6:00 PM
Thursday 9:00 AM 6:00 PM
Friday 9:00 AM 6:00 PM
Saturday 9:00 AM 2:00 PM
Sunday Closed

Phone: 219-322-4601

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Street View Image of Schneider Post Office in Schneider, IN

Schneider 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
23914 Parrish Ave Schneider , IN 46376-9998

Get directions

Open hours
Day Open Close
Monday 12:30 PM 4:30 PM
Tuesday 12:30 PM 4:30 PM
Wednesday 12:30 PM 4:30 PM
Thursday 12:30 PM 4:30 PM
Friday 12:30 PM 4:30 PM
Saturday 9:00 AM 11:00 AM
Sunday Closed

Phone: 219-552-0700

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Street View Image of Shelby Post Office in Shelby, IN

Shelby 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
23323 Shelby Rd Shelby , IN 46377-9998

Get directions

Open hours
Day Open Close
Monday 12:30 PM 4:30 PM
Tuesday 12:30 PM 4:30 PM
Wednesday 12:30 PM 4:30 PM
Thursday 12:30 PM 4:30 PM
Friday 12:30 PM 4:30 PM
Saturday 9:00 AM 11:00 AM
Sunday Closed
  • Stamps.com logo
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Street View Image of Whiting Post Office in Whiting, IN

Whiting 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
1501 119th St Whiting , IN 46394-9998

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: 219-659-0593

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