Post offices in the county of Madison, 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.
Alhambra 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 8:15 AM 11:00 AM 12:00 PM 3:15 PM Tuesday 8:15 AM 11:00 AM 12:00 PM 3:15 PM Wednesday 8:15 AM 11:00 AM 12:00 PM 3:15 PM Thursday 8:15 AM 11:00 AM 12:00 PM 3:15 PM Friday 8:15 AM 11:00 AM 12:00 PM 3:15 PM Saturday 8:00 AM 9:30 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-488-7938
Alton 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 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 11:30 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-462-2501
Alton Square 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 10:00 AM 3:00 PM Tuesday 10:00 AM 3:00 PM Wednesday 10:00 AM 3:00 PM Thursday 10:00 AM 3:00 PM Friday 10:00 AM 3:00 PM Saturday 10:00 AM 12:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-463-4728
Upper Alton 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 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 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: 618-462-6014
Bethalto 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 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 12:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-377-8714
Collinsville 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 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-344-3787
Fax: 618-345-4507
Cottage Hills 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 9:00 AM 12:00 PM 12:30 PM 3:30 PM Tuesday 9:00 AM 12:00 PM 12:30 PM 3:30 PM Wednesday 9:00 AM 12:00 PM 12:30 PM 3:30 PM Thursday 9:00 AM 12:00 PM 12:30 PM 3:30 PM Friday 9:00 AM 12:00 PM 12:30 PM 3:30 PM Saturday 9:30 AM 11:00 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-259-2212
Dorsey 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 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 9:45 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-377-6222
East Alton 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 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-259-8721
Edwardsville 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 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 9:00 AM 1:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-656-8460
Fax: 651-306-6052
Glen Carbon 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 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 11:00 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-288-9503
Godfrey 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 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-466-3121
Fax: 618-466-5172
Granite City 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 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 12:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-877-0700
Fax: 651-456-6632
Mitchell 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 8:30 AM 12:30 PM Tuesday 8:30 AM 12:30 PM Wednesday 8:30 AM 12:30 PM Thursday 8:30 AM 12:30 PM Friday 8:30 AM 12:30 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-877-0700
Nameoki 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 8:45 AM 4:45 PM Tuesday 8:45 AM 4:45 PM Wednesday 8:45 AM 4:45 PM Thursday 8:45 AM 4:45 PM Friday 8:45 AM 4:45 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-877-0450
Hamel 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 9:30 AM 11:30 AM 1:30 PM 4:30 PM Tuesday 9:30 AM 11:30 AM 1:30 PM 4:30 PM Wednesday 9:30 AM 11:30 AM 1:30 PM 4:30 PM Thursday 9:30 AM 11:30 AM 1:30 PM 4:30 PM Friday 9:30 AM 11:30 AM 1:30 PM 4:30 PM Saturday 9:30 AM 10:45 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-633-2526
Hartford 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 7:30 AM 11:30 AM Tuesday 7:30 AM 11:30 AM Wednesday 7:30 AM 11:30 AM Thursday 7:30 AM 11:30 AM Friday 7:30 AM 11:30 AM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-254-0213
Highland 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 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: 618-654-6791
Livingston 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 9:30 AM 1:30 PM 2:30 PM 4:30 PM Tuesday 9:30 AM 1:30 PM 2:30 PM 4:30 PM Wednesday 9:30 AM 1:30 PM 2:30 PM 4:30 PM Thursday 9:30 AM 1:30 PM 2:30 PM 4:30 PM Friday 9:30 AM 1:30 PM 2:30 PM 4:30 PM Saturday 8:00 AM 9:00 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-637-2135
Madison 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 9:00 AM 11:00 AM 12:30 PM 4:30 PM Tuesday 9:00 AM 11:00 AM 12:30 PM 4:30 PM Wednesday 9:00 AM 11:00 AM 12:30 PM 4:30 PM Thursday 9:00 AM 11:00 AM 12:30 PM 4:30 PM Friday 9:00 AM 11:00 AM 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: 618-876-6332
Marine 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 10:00 AM 1:00 PM 2:00 PM 5:00 PM Tuesday 10:00 AM 1:00 PM 2:00 PM 5:00 PM Wednesday 10:00 AM 1:00 PM 2:00 PM 5:00 PM Thursday 10:00 AM 1:00 PM 2:00 PM 5:00 PM Friday 10:00 AM 1:00 PM 2:00 PM 5:00 PM Saturday 12:00 PM 1:30 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-887-4729
Maryville 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 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 2:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-288-1720
Moro 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 10:00 AM 1:00 PM 2:00 PM 5:00 PM Tuesday 10:00 AM 1:00 PM 2:00 PM 5:00 PM Wednesday 10:00 AM 1:00 PM 2:00 PM 5:00 PM Thursday 10:00 AM 1:00 PM 2:00 PM 5:00 PM Friday 10:00 AM 1:00 PM 2:00 PM 5:00 PM Saturday 10:00 AM 11:00 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-377-6721
New Douglas 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 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 8:15 AM 9:15 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 217-456-8811
Saint Jacob 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 9:30 AM 1:30 PM 2:30 PM 5:00 PM Tuesday 9:30 AM 1:30 PM 2:30 PM 5:00 PM Wednesday 9:30 AM 1:30 PM 2:30 PM 5:00 PM Thursday 9:30 AM 1:30 PM 2:30 PM 5:00 PM Friday 9:30 AM 1:30 PM 2:30 PM 5:00 PM Saturday 12:45 PM 3:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-644-5603
South Roxana 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 8:00 AM 12:00 PM 1:00 PM 3:00 PM Tuesday 8:00 AM 12:00 PM 1:00 PM 3:00 PM Wednesday 8:00 AM 12:00 PM 1:00 PM 3:00 PM Thursday 8:00 AM 12:00 PM 1:00 PM 3:00 PM Friday 8:00 AM 12:00 PM 1:00 PM 3:00 PM Saturday 8:30 AM 10:00 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-254-3692
Troy 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 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 12:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-667-6421
Fax: 618-667-8293
Venice 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 2:00 PM 4:00 PM Tuesday 2:00 PM 4:00 PM Wednesday 2:00 PM 4:00 PM Thursday 2:00 PM 4:00 PM Friday 2:00 PM 4:00 PM Saturday 8:30 AM 10:15 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-877-4516
Wood River 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 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 - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-254-6422
Fax: 618-254-6424
Worden 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 9:00 AM 11:30 AM 1:30 PM 4:00 PM Tuesday 9:00 AM 11:30 AM 1:30 PM 4:00 PM Wednesday 9:00 AM 11:30 AM 1:30 PM 4:00 PM Thursday 9:00 AM 11:30 AM 1:30 PM 4:00 PM Friday 9:00 AM 11:30 AM 1:30 PM 4:00 PM Saturday 9:00 AM 10:45 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 618-459-3600