Post offices in the county of Lake, IL

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 Antioch Post Office in Antioch, IL

Antioch 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
420 Orchard St Antioch , IL 60002-3135

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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 8:30 AM 1:00 PM
Sunday Closed
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Street View Image of Barrington Post Office in Barrington, IL

Barrington 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
1515 S Grove Ave Barrington, IL 60010-5268

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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 4:30 PM
Sunday Closed
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Street View Image of Downtown Barrington Post Office in Barrington, IL

Downtown Barrington 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
106 Barrington Commons Ct Barrington, IL 60010-3222

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Open hours
Day Open Close
Monday 10:00 AM 4:30 PM
Tuesday 10:00 AM 4:30 PM
Wednesday 10:00 AM 4:30 PM
Thursday 10:00 AM 4:30 PM
Friday 10:00 AM 4:30 PM
Saturday 10:00 AM 2:00 PM
Sunday Closed

Phone: 847-381-7206

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Street View Image of Buffalo Grove Post Office in Buffalo Grove, IL

Buffalo Grove 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
255 N Buffalo Grove Rd Buffalo Grove , IL 60089-2431

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

Deerfield 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
707 Osterman Ave Deerfield , IL 60015-4421

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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 2:00 PM
Sunday Closed
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Street View Image of Fox Lake Post Office in Fox Lake, IL

Fox 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
33 E Grand Ave Fox Lake , IL 60020-1449

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Open hours
Day Open Close
Monday 8:00 AM 4:30 PM
Tuesday 8:00 AM 4:30 PM
Wednesday 8:00 AM 4:30 PM
Thursday 8:00 AM 4:30 PM
Friday 8:00 AM 4:30 PM
Saturday 8:00 AM 1:30 PM
Sunday Closed
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Street View Image of Grayslake Post Office in Grayslake, IL

Grayslake 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
75 Commerce Dr Grayslake , IL 60030-9998

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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 2:00 PM
Sunday Closed
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Street View Image of Great Lakes Post Office in Great Lakes, IL

Great Lakes 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
525 Bronson Ave Great Lakes , IL 60088-2948

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Open hours
Day Open Close
Monday 8:00 AM 4:30 PM
Tuesday 8:00 AM 4:30 PM
Wednesday 8:00 AM 4:30 PM
Thursday 8:00 AM 4:30 PM
Friday 8:00 AM 4:30 PM
Saturday 9:00 AM 11:00 AM
Sunday Closed
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Street View Image of Gurnee Post Office in Gurnee, IL

Gurnee 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
1 N Oplaine Rd Gurnee , IL 60031-2601

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Open hours
Day Open Close
Monday 8:00 AM 5:00 PM
Tuesday 8:00 AM 5:00 PM
Wednesday 8:00 AM 5:00 PM
Thursday 8:00 AM 5:00 PM
Friday 8:00 AM 5:00 PM
Saturday 7:00 AM 1:00 PM
Sunday Closed
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Street View Image of Highland Park Post Office in Highland Park, IL

Highland 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
833 Central Ave Highland Park , IL 60035-3266

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Open hours
Day Open Close
Monday 8:30 AM 5:30 PM
Tuesday 8:30 AM 5:30 PM
Wednesday 8:30 AM 5:30 PM
Thursday 8:30 AM 5:30 PM
Friday 8:30 AM 5:30 PM
Saturday 8:30 AM 3:00 PM
Sunday Closed
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Street View Image of Highwood Post Office in Highwood, IL

Highwood 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
130 Highwood Ave Highwood , IL 60040-1540

Get directions

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 9:00 AM 12:30 PM
Sunday Closed
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Ingleside Post Office in Ingleside, IL

Ingleside 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
604 Rollins Rd Ingleside , IL 60041-1000

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 12:30 PM
Sunday Closed

Phone: 847-587-7812

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Street View Image of Lake Bluff Post Office in Lake Bluff, IL

Lake Bluff 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
26 E Scranton Ave Lake Bluff , IL 60044-1788

Get directions

Open hours
Day Open Close
Monday 8:00 AM 5:00 PM
Tuesday 8:00 AM 5:00 PM
Wednesday 8:00 AM 5:00 PM
Thursday 8:00 AM 5:00 PM
Friday 8:00 AM 5:00 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed
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Street View Image of Lake Forest Post Office in Lake Forest, IL

Lake Forest 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
230 Northgate St Lake Forest, IL 60045-1858

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 8:00 AM 12:00 PM
Sunday Closed
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Lake Forest Carrier Annex Post Office in Lake Forest, IL

Lake Forest Carrier 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.

Post office address
27848 N Bradley Rd Lake Forest, IL 60045-1121

Get directions

Open hours
Day Open Close
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Street View Image of Lake Villa Post Office in Lake Villa, IL

Lake Villa 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
206 Cedar Ave Lake Villa, IL 60046-8448

Get directions

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

Lindenhurst 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
2301 E Sand Lake Rd Lake Villa, IL 60046-8935

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 Closed
Sunday Closed
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Street View Image of Lake Zurich Post Office in Lake Zurich, IL

Lake Zurich 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
25 Telser Rd Lake Zurich , IL 60047-1510

Get directions

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 2:00 PM
Sunday Closed
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Street View Image of Libertyville Post Office in Libertyville, IL

Libertyville 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
1520 Artaius Pkwy Libertyville , IL 60048-5269

Get directions

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
  • Stamps.com logo
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Street View Image of Lincolnshire Post Office in Lincolnshire, IL

Lincolnshire 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
125 Schelter Rd Lincolnshire , IL 60069-3666

Get directions

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 12:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Mundelein Post Office in Mundelein, IL

Mundelein 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
435 E Hawley St Mundelein , IL 60060-2469

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 2:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of North Chicago Post Office in North Chicago, IL

North 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
1514 Sheridan Rd North Chicago , IL 60064-1852

Get directions

Open hours
Day Open Close
Monday 8:00 AM 4:30 PM
Tuesday 8:00 AM 4:30 PM
Wednesday 8:00 AM 4:30 PM
Thursday 8:00 AM 4:30 PM
Friday 8:00 AM 4:30 PM
Saturday 8:00 AM 12:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Round Lake Post Office in Round Lake, IL

Round 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
1940 N Municipal Way Round Lake , IL 60073-4957

Get directions

Open hours
Day Open Close
Monday 8:30 AM 6:30 PM
Tuesday 8:30 AM 6:30 PM
Wednesday 8:30 AM 6:30 PM
Thursday 8:30 AM 6:30 PM
Friday 8:30 AM 6:30 PM
Saturday 9:00 AM 2:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Russell Post Office in Russell, IL

Russell 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
43410 N Kilbourne Rd Russell , IL 60075-1000

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 8:00 AM 11:00 AM
Sunday Closed
  • Stamps.com logo
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Street View Image of Vernon Hills Post Office in Vernon Hills, IL

Vernon Hills 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
675 Lakeview Pkwy Vernon Hills , IL 60061-1466

Get directions

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 3:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Wadsworth Post Office in Wadsworth, IL

Wadsworth 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
39067 N Caroline Ave Wadsworth , IL 60083-8931

Get directions

Open hours
Day Open Close
Monday 7:30 AM 4:00 PM
Tuesday 7:30 AM 4:00 PM
Wednesday 7:30 AM 4:00 PM
Thursday 7:30 AM 4:00 PM
Friday 7:30 AM 4:00 PM
Saturday 8:30 AM 11:00 AM
Sunday Closed
  • Stamps.com logo
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Street View Image of Wauconda Post Office in Wauconda, IL

Wauconda 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
539 W Liberty St Wauconda , IL 60084-2492

Get directions

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 12:00 PM
Sunday Closed
  • Stamps.com logo
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Street View Image of Edison Square Post Office in Waukegan, IL

Edison Square 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
1519 N Lewis Ave Waukegan, IL 60085-1700

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 1:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Waukegan Post Office in Waukegan, IL

Waukegan 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
326 N Genesee St Waukegan, IL 60085-4257

Get directions

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 12:00 PM
Sunday Closed
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    Promo code
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Street View Image of Winthrop Harbor Post Office in Winthrop Harbor, IL

Winthrop 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
1225 Sheridan Rd Ste F Winthrop Harbor , IL 60096-1870

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
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
    Promo code
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Street View Image of Zion Post Office in Zion, IL

Zion 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
1225 Shiloh Blvd Zion , IL 60099-2683

Get directions

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 9:00 AM 1:00 PM
Sunday Closed

Phone: 847-872-5917

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