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 open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-374-7633
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.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-663-0805
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.
- Open hours
Day Open Close - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-663-0062
Fax: 219-661-0348
Dyer Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-865-1267
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.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-397-2415
Harbor Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-397-2417
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.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-882-6472
Gary Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-886-8000
Fax: 219-886-8211
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.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-484-2043
Miller Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-938-9701
Tolleston Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-944-7795
Griffith Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-838-4140
Hammond Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-932-2757
Fax: 219-937-9470
Hessville Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-844-2416
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.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-932-0346
Highland Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-838-1248
Fax: 219-937-9470
Hobart Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-942-2721
Fax: 219-942-1156
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.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-962-1880
Fax: 219-962-5079
Leroy Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-663-4223
Lowell Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-696-8594
Merrillville Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-769-2155
Munster Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-836-8225
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.
- Open hours
Day Open Close - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-836-8005
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.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-365-4254
Fax: 219-365-4299
Schererville Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-322-4601
Schneider Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-552-0700
Shelby Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-552-0122
Fax: 219-552-0122
Whiting Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 219-659-0593