Post offices in the county of St. Mary's, MD
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.
Abell 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 12:00 PM 4:00 PM Tuesday 12:00 PM 4:00 PM Wednesday 12:00 PM 4:00 PM Thursday 12:00 PM 4:00 PM Friday 12:00 PM 4:00 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: 301-769-2262
Avenue 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 2:00 PM 5:00 PM Tuesday 9:00 AM 12:00 PM 2:00 PM 5:00 PM Wednesday 9:00 AM 12:00 PM 2:00 PM 5:00 PM Thursday 9:00 AM 12:00 PM 2:00 PM 5:00 PM Friday 9:00 AM 12:00 PM 2:00 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: 301-769-2263
Fax: 301-769-3453
Bushwood 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 12:00 PM 4:00 PM Tuesday 12:00 PM 4:00 PM Wednesday 12:00 PM 4:00 PM Thursday 12:00 PM 4:00 PM Friday 12:00 PM 4:00 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: 301-769-2264
California 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: 301-863-9506
Fax: 301-863-6940
Callaway 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 12:45 PM 1:45 PM 5:00 PM Tuesday 9:00 AM 12:45 PM 1:45 PM 5:00 PM Wednesday 9:00 AM 12:45 PM 1:45 PM 5:00 PM Thursday 9:00 AM 12:45 PM 1:45 PM 5:00 PM Friday 9:00 AM 12:45 PM 1:45 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: 301-994-1183
Chaptico 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 1:00 PM 5:00 PM Tuesday 9:00 AM 12:00 PM 1:00 PM 5:00 PM Wednesday 9:00 AM 12:00 PM 1:00 PM 5:00 PM Thursday 9:00 AM 12:00 PM 1:00 PM 5:00 PM Friday 9:00 AM 12:00 PM 1:00 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: 301-884-4334
Clements 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 12:00 PM 1:00 PM 4:30 PM Tuesday 9:30 AM 12:00 PM 1:00 PM 4:30 PM Wednesday 9:30 AM 12:00 PM 1:00 PM 4:30 PM Thursday 9:30 AM 12:00 PM 1:00 PM 4:30 PM Friday 9:30 AM 12:00 PM 1:00 PM 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: 301-769-4548
Coltons Point 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 12:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 301-769-3853
Compton 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 12:15 PM 4:15 PM Tuesday 12:15 PM 4:15 PM Wednesday 12:15 PM 4:15 PM Thursday 12:15 PM 4:15 PM Friday 12:15 PM 4:15 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: 301-475-9354
Dameron 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 12:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 301-872-5461
Drayden 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 2:30 PM 4:30 PM Tuesday 2:30 PM 4:30 PM Wednesday 2:30 PM 4:30 PM Thursday 2:30 PM 4:30 PM Friday 2:30 PM 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: 301-994-0430
Great Mills 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 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: 301-994-2240
Fax: 301-994-9431
Hollywood 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 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: 301-373-5215
Leonardtown 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: 301-475-9781
Fax: 301-475-6679
Lexington Park 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 1:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 301-862-2380
Fax: 301-862-7893
Loveville 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 10:00 AM 3:00 PM 5:00 PM Tuesday 8:00 AM 10:00 AM 3:00 PM 5:00 PM Wednesday 8:00 AM 10:00 AM 3:00 PM 5:00 PM Thursday 8:00 AM 10:00 AM 3:00 PM 5:00 PM Friday 8:00 AM 10:00 AM 3:00 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: 301-475-5243
Mechanicsville 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: 301-884-3013
Morganza 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 12:00 PM 4:00 PM Tuesday 12:00 PM 4:00 PM Wednesday 12:00 PM 4:00 PM Thursday 12:00 PM 4:00 PM Friday 12:00 PM 4:00 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: 301-475-9858
Park Hall 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 1:30 PM 4:30 PM Tuesday 10:00 AM 1:00 PM 1:30 PM 4:30 PM Wednesday 10:00 AM 1:00 PM 1:30 PM 4:30 PM Thursday 10:00 AM 1:00 PM 1:30 PM 4:30 PM Friday 10:00 AM 1:00 PM 1:30 PM 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: 301-862-4033
Patuxent 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 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 8:30 AM 12:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 301-342-7642
Piney Point 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 1:00 PM 2:00 PM 4:30 PM Tuesday 9:30 AM 1:00 PM 2:00 PM 4:30 PM Wednesday 9:30 AM 1:00 PM 2:00 PM 4:30 PM Thursday 9:30 AM 1:00 PM 2:00 PM 4:30 PM Friday 9:30 AM 1:00 PM 2:00 PM 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: 301-994-2521
Ridge 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 12:30 PM 1:30 PM 4:30 PM Tuesday 9:30 AM 12:30 PM 1:30 PM 4:30 PM Wednesday 9:30 AM 12:30 PM 1:30 PM 4:30 PM Thursday 9:30 AM 12:30 PM 1:30 PM 4:30 PM Friday 9:30 AM 12:30 PM 1:30 PM 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: 301-872-5864
Saint Inigoes 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 2:00 PM 3:00 PM 4:30 PM Tuesday 9:30 AM 2:00 PM 3:00 PM 4:30 PM Wednesday 9:30 AM 2:00 PM 3:00 PM 4:30 PM Thursday 9:30 AM 2:00 PM 3:00 PM 4:30 PM Friday 9:30 AM 2:00 PM 3:00 PM 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: 301-872-5010
Saint Marys 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 9:30 AM 1:00 PM 2:00 PM 4:30 PM Tuesday 9:30 AM 1:00 PM 2:00 PM 4:30 PM Wednesday 9:30 AM 1:00 PM 2:00 PM 4:30 PM Thursday 9:30 AM 1:00 PM 2:00 PM 4:30 PM Friday 9:30 AM 1:00 PM 2:00 PM 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: 301-862-2665
Fax: 301-862-9406
Tall Timbers 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: 301-994-2241
Valley Lee 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 12:30 PM 1:30 PM 4:30 PM Tuesday 9:00 AM 12:30 PM 1:30 PM 4:30 PM Wednesday 9:00 AM 12:30 PM 1:30 PM 4:30 PM Thursday 9:00 AM 12:30 PM 1:30 PM 4:30 PM Friday 9:00 AM 12:30 PM 1:30 PM 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: 301-866-7059