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.

Street View Image of Carlton Post Office in Carlton, PA

Carlton 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
1333 Cochranton Rd Carlton , PA 16311-9800

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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

Phone: 814-425-2205

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Street View Image of Clark Post Office in Clark, PA

Clark 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
6 Charles St Clark , PA 16113-9800

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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

Phone: 724-962-5781

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Street View Image of Clarks Mills Post Office in Clarks Mills, PA

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.

Post office address
21 Lake Wilhelm Rd Clarks Mills , PA 16114-9800

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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

Phone: 724-253-4040

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Street View Image of Farrell Post Office in Farrell, PA

Farrell 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
700 Spearman Ave Farrell , PA 16121-9998

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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

Phone: 724-346-3611

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Street View Image of Fredonia Post Office in Fredonia, PA

Fredonia 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
161 2nd St Fredonia , PA 16124-9800

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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

Phone: 724-475-2161

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Street View Image of Greenville Post Office in Greenville, PA

Greenville 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
55 Clinton St Greenville , PA 16125-2230

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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

Phone: 724-588-5310

  • Stamps.com logo
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Street View Image of Grove City Post Office in Grove City, PA

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.

Post office address
117 E Pine St Grove City, PA 16127-2000

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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

Phone: 724-458-6140

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Street View Image of Grove City Postal Retail Str Post Office in Grove City, PA

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.

Post office address
1911 Leesburg Grove City Rd Unit 645 Grove City, PA 16127-9800

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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

Phone: 724-748-5052

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Street View Image of Hadley Post Office in Hadley, PA

Hadley 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
1133 Fredonia Rd Hadley , PA 16130-9800

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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

Phone: 724-253-2888

  • Stamps.com logo
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Street View Image of Hermitage Post Office in Hermitage, PA

Hermitage 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
3386 E State St Hermitage , PA 16148-3300

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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
  • Stamps.com logo
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Street View Image of Jackson Center Post Office in Jackson Center, PA

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.

Post office address
1163 Franklin Rd Jackson Center , PA 16133-9800

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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

Phone: 724-662-4071

  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Mercer Post Office in Mercer, PA

Mercer 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
109 E Venango St Mercer , PA 16137-1153

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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: 724-662-3590

  • Stamps.com logo
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Street View Image of Sandy Lake Post Office in Sandy Lake, PA

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.

Post office address
3267 S Main St Sandy Lake , PA 16145-9800

Get directions

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

Phone: 724-376-2354

  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Sharon Post Office in Sharon, PA

Sharon 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
120 Shenango Ave Sharon , PA 16146-9998

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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

Phone: 724-347-5535

  • Stamps.com logo
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Street View Image of Sharpsville Post Office in Sharpsville, PA

Sharpsville 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
108 E Shenango St Sharpsville , PA 16150-2200

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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

Phone: 724-962-7877

  • Stamps.com logo
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Street View Image of Sheakleyville Post Office in Sheakleyville, PA

Sheakleyville 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
3216 Perry Hwy Sheakleyville , PA 16151-9800

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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

Phone: 724-253-4332

  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
    Promo code
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Street View Image of Stoneboro Post Office in Stoneboro, PA

Stoneboro 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
40 Linden St Stoneboro , PA 16153-9800

Get directions

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

Phone: 724-376-3742

  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
    Promo code
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Street View Image of Transfer Post Office in Transfer, PA

Transfer 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
3676 N Hermitage Rd Ste 5 Transfer , PA 16154-9800

Get directions

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

Phone: 724-646-0177

  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of West Middlesex Post Office in West Middlesex, PA

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.

Post office address
39 Fair St West Middlesex , PA 16159-9800

Get directions

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

Phone: 724-528-9771

  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Wheatland Post Office in Wheatland, PA

Wheatland 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
101 Council Ave Wheatland , PA 16161-9800

Get directions

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

Phone: 724-346-4501

  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value