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.
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 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 8:30 AM 1:00 PM Sunday Closed - Phone
- 847-395-3482
- Fax
- 847-395-3725
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 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 4:30 PM Sunday Closed - Phone
- 847-381-0510
- Fax
- 847-381-6472
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 Get directions
- 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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 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 8:30 AM 3:00 PM Sunday Closed - Phone
- 847-520-0268
- Fax
- 847-520-0251
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 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 - Phone
- 847-945-0293
- Fax
- 847-945-0179
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 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 1:30 PM Sunday Closed - Phone
- 847-587-0243
- Fax
- 847-587-2186
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 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 - Phone
- 847-223-2787
- Fax
- 847-223-0571
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 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 9:00 AM 11:00 AM Sunday Closed - Phone
- 847-473-9195
- Fax
- 847-473-9197
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 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 7:00 AM 1:00 PM Sunday Closed - Phone
- 847-662-6943
- Fax
- 847-596-2095
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 Get directions
- 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 - Phone
- 847-433-3201
- Fax
- 847-433-5941
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-432-0115
- Fax
- 847-432-7439
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-234-2779
- Fax
- 847-234-2894
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-234-0454
- Fax
- 847-234-0782
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-680-5464
- Fax
- 847-680-4984
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-356-5995
- Fax
- 847-356-6349
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-356-8252
- Fax
- 847-356-6349
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-438-5225
- Fax
- 847-438-1661
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-362-2266
- Fax
- 847-362-7459
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-634-3260
- Fax
- 847-634-3274
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-566-3907
- Fax
- 847-566-4820
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-689-1659
- Fax
- 847-689-1652
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-740-6528
- Fax
- 847-245-0751
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Russell 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
- 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 - Phone
- 847-395-0717
- Fax
- 847-395-3948
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-566-3901
- Fax
- 847-367-0951
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-662-2678
- Fax
- 847-662-6697
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-526-7116
- Fax
- 847-526-4462
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-244-1400
- Fax
- 847-662-7385
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-662-6802
- Fax
- 847-336-2754
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 847-731-8215
- Fax
- 847-731-8826
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value