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.
Cedar Lake 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
- 9715 W 133rd Ave Cedar Lake, IN 46303-9998 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
- 219-374-7633
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Crown Point 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
- 128 S East St Crown Point, IN 46307-9920 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 2:00 PM Sunday Closed - Phone
- 219-663-0805
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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.
- Post office address
- 1280 E Summit St Crown Point, IN 46307-9998 Get directions
- Open hours
Day Open Close - Phone
- 219-663-0062
- Fax
- 219-661-0348
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Dyer 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
- 2225 Great Lakes Dr Dyer, IN 46311-9998 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 12:30 PM Sunday Closed - Phone
- 219-865-1267
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
East Chicago 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
- 901 E Chicago Ave East Chicago, IN 46312-9998 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
- 219-397-2415
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 46312-2360 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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
15th Avenue 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
- 1490 Broadway Gary, IN 46407-9998 Get directions
- 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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Gary 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
- 1499 Martin Luther King Dr Gary, IN 46401-9998 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 8:00 AM 2:00 PM Sunday Closed - Phone
- 219-886-8000
- Fax
- 219-886-8211
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Glen Park 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
- 320 E 40th Ave Gary, IN 46409-9998 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 - Phone
- 219-484-2043
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Miller 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
- 518 S Hancock St Gary, IN 46403-9998 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 - Phone
- 219-938-9701
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Tolleston 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
- 2407 W 11th Ave Gary, IN 46404-9998 Get directions
- 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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Griffith 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
- 900 N Broad St Griffith, IN 46319-9998 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 3:00 PM Sunday Closed - Phone
- 219-838-4140
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Hammond 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
- 5530 Sohl Ave Hammond, IN 46320-9998 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 12:30 PM Sunday Closed - Phone
- 219-932-2757
- Fax
- 219-937-9470
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Hessville 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
- 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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
South Calumet Avenue 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
- 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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Highland 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
- 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 - Phone
- 219-838-1248
- Fax
- 219-937-9470
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Hobart 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
- 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 - Phone
- 219-942-2721
- Fax
- 219-942-1156
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Lake Station 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
- 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 - Phone
- 219-962-1880
- Fax
- 219-962-5079
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Leroy 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
- 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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Lowell 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
- 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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Merrillville 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
- 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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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.
- Post office address
- 917 Ridge Rd Munster, IN 46321-9997 Get directions
- Open hours
Day Open Close - Phone
- 219-836-8005
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Munster 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
- 915 Ridge Rd Bldg 2 Munster, IN 46321-9998 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 8:30 AM 3:00 PM Sunday Closed - Phone
- 219-836-8225
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Saint John 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
- 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 - Phone
- 219-365-4254
- Fax
- 219-365-4299
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Schererville 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
- 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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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 - Phone
- 219-552-0122
- Fax
- 219-552-0122
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Whiting 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
- 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
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value