Post offices in the county of Mercer, PA
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.
Carlton 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 Tuesday 9:00 AM 11:00 AM Wednesday 9:00 AM 11:00 AM Thursday 9:00 AM 11:00 AM Friday 9:00 AM 11:00 AM Saturday 9:00 AM 11:45 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 814-425-2205
Clark 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: 724-962-5781
Clarks 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 7:15 AM 11:15 AM Tuesday 7:15 AM 11:15 AM Wednesday 7:15 AM 11:15 AM Thursday 7:15 AM 11:15 AM Friday 7:15 AM 11:15 AM Saturday 8:30 AM 11:15 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 724-253-4040
Farrell 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 1:00 PM 2:00 PM 4:30 PM Tuesday 8:30 AM 1:00 PM 2:00 PM 4:30 PM Wednesday 8:30 AM 1:00 PM 2:00 PM 4:30 PM Thursday 8:30 AM 1:00 PM 2:00 PM 4:30 PM Friday 8:30 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: 724-346-3611
Fredonia 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 11:00 AM 1:00 PM 4:00 PM Tuesday 8:00 AM 11:00 AM 1:00 PM 4:00 PM Wednesday 8:00 AM 11:00 AM 1:00 PM 4:00 PM Thursday 8:00 AM 11:00 AM 1:00 PM 4:00 PM Friday 8:00 AM 11:00 AM 1:00 PM 4:00 PM Saturday 8:00 AM 11:00 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 724-475-2161
Greenville 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 10:00 AM 12:30 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 724-588-5310
Grove 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: 724-458-6140
Grove City Postal Retail Str 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 6:00 PM Tuesday 9:30 AM 6:00 PM Wednesday 9:30 AM 6:00 PM Thursday 9:30 AM 6:00 PM Friday 9:30 AM 6:00 PM Saturday 9:30 AM 6:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 724-748-5052
Hadley 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 4:00 PM Tuesday 9:00 AM 12:00 PM 1:00 PM 4:00 PM Wednesday 9:00 AM 12:00 PM 1:00 PM 4:00 PM Thursday 9:00 AM 12:00 PM 1:00 PM 4:00 PM Friday 9:00 AM 12:00 PM 1:00 PM 4:00 PM Saturday 8:00 AM 11:00 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 724-253-2888
Hermitage 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: 724-347-1100
Fax: 724-347-2267
Jackson Center 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 4:00 PM Tuesday 9:00 AM 12:00 PM 1:00 PM 4:00 PM Wednesday 9:00 AM 12:00 PM 1:00 PM 4:00 PM Thursday 9:00 AM 12:00 PM 1:00 PM 4:00 PM Friday 9:00 AM 12:00 PM 1:00 PM 4:00 PM Saturday 9:00 AM 11:30 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 724-662-4071
Mercer 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: 724-662-3590
Sandy Lake 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 1:30 PM 4:30 PM Tuesday 8:30 AM 12:30 PM 1:30 PM 4:30 PM Wednesday 8:30 AM 12:30 PM 1:30 PM 4:30 PM Thursday 8:30 AM 12:30 PM 1:30 PM 4:30 PM Friday 8:30 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: 724-376-2354
Sharon 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: 724-347-5535
Sharpsville 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 12:00 PM 1:00 PM 4:30 PM Tuesday 8:30 AM 12:00 PM 1:00 PM 4:30 PM Wednesday 8:30 AM 12:00 PM 1:00 PM 4:30 PM Thursday 8:30 AM 12:00 PM 1:00 PM 4:30 PM Friday 8:30 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: 724-962-7877
Sheakleyville 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 12:15 PM 3:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 724-253-4332
Stoneboro 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 12:15 PM 1:15 PM 4:15 PM Tuesday 8:15 AM 12:15 PM 1:15 PM 4:15 PM Wednesday 8:15 AM 12:15 PM 1:15 PM 4:15 PM Thursday 8:15 AM 12:15 PM 1:15 PM 4:15 PM Friday 8:15 AM 12:15 PM 1:15 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: 724-376-3742
Transfer 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 1:30 PM 4:00 PM Tuesday 8:30 AM 12:30 PM 1:30 PM 4:00 PM Wednesday 8:30 AM 12:30 PM 1:30 PM 4:00 PM Thursday 8:30 AM 12:30 PM 1:30 PM 4:00 PM Friday 8:30 AM 12:30 PM 1:30 PM 4:00 PM Saturday 9:30 AM 11:30 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 724-646-0177
West Middlesex 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: 724-528-9771
Wheatland 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 9:30 AM 11:30 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 724-346-4501