Post offices in the county of Knox, ME

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 Camden Post Office in Camden, ME

Camden 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
28 Chestnut St Camden , ME 04843-9998

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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
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Street View Image of Cushing Post Office in Cushing, ME

Cushing 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
384 Pleasant Point Rd Cushing , ME 04563-9998

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Open hours
Day Open Close
Monday 8:30 AM 12:30 PM
1:30 PM 3:30 PM
Tuesday 8:30 AM 12:30 PM
1:30 PM 3:30 PM
Wednesday 8:30 AM 12:30 PM
1:30 PM 3:30 PM
Thursday 8:30 AM 12:30 PM
1:30 PM 3:30 PM
Friday 8:30 AM 12:30 PM
1:30 PM 3:30 PM
Saturday 8:30 AM 11:00 AM
Sunday Closed

Phone: 207-354-8014

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Street View Image of Friendship Post Office in Friendship, ME

Friendship 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
71 Harbor Rd Friendship , ME 04547-9998

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Open hours
Day Open Close
Monday 7:30 AM 11:30 AM
12:30 PM 2:30 PM
Tuesday 7:30 AM 11:30 AM
12:30 PM 2:30 PM
Wednesday 7:30 AM 11:30 AM
12:30 PM 2:30 PM
Thursday 7:30 AM 11:30 AM
12:30 PM 2:30 PM
Friday 7:30 AM 11:30 AM
12:30 PM 2:30 PM
Saturday 8:30 AM 11:00 AM
Sunday Closed

Phone: 207-832-7558

  • Stamps.com logo
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Street View Image of Matinicus Post Office in Matinicus, ME

Matinicus 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
50 South Rd Matinicus , ME 04851-9998

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Open hours
Day Open Close
Monday 8:00 AM 2:00 PM
Tuesday 8:00 AM 2:00 PM
Wednesday 8:00 AM 2:00 PM
Thursday 8:00 AM 2:00 PM
Friday 8:00 AM 2:00 PM
Saturday Closed
Sunday Closed

Phone: 207-366-3755

  • Stamps.com logo
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Street View Image of North Haven Post Office in North Haven, ME

North Haven 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
27 Main St North Haven , ME 04853-9998

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Open hours
Day Open Close
Monday 7:00 AM 11:00 AM
2:00 PM 3:30 PM
Tuesday 7:00 AM 11:00 AM
2:00 PM 3:30 PM
Wednesday 7:00 AM 11:00 AM
2:00 PM 3:30 PM
Thursday 7:00 AM 11:00 AM
2:00 PM 3:30 PM
Friday 7:00 AM 11:00 AM
2:00 PM 3:30 PM
Saturday 8:00 AM 11:00 AM
Sunday Closed

Phone: 207-867-2244

  • Stamps.com logo
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Street View Image of Owls Head Post Office in Owls Head, ME

Owls Head 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
5 Main St Owls Head , ME 04854-9998

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Open hours
Day Open Close
Monday 7:30 AM 9:30 AM
2:15 PM 4:15 PM
Tuesday 7:30 AM 9:30 AM
2:15 PM 4:15 PM
Wednesday 7:30 AM 9:30 AM
2:15 PM 4:15 PM
Thursday 7:30 AM 9:30 AM
2:15 PM 4:15 PM
Friday 7:30 AM 9:30 AM
2:15 PM 4:15 PM
Saturday 8:30 AM 11:00 AM
Sunday Closed

Phone: 207-594-7535

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

Port Clyde 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
860 Port Clyde Rd Port Clyde , ME 04855-9998

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Open hours
Day Open Close
Monday 9:00 AM 12:00 PM
2:00 PM 3:00 PM
Tuesday 9:00 AM 12:00 PM
2:00 PM 3:00 PM
Wednesday 9:00 AM 12:00 PM
2:00 PM 3:00 PM
Thursday 9:00 AM 12:00 PM
2:00 PM 3:00 PM
Friday 9:00 AM 12:00 PM
2:00 PM 3:00 PM
Saturday 9:30 AM 12:00 PM
Sunday Closed

Phone: 207-372-6693

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

Rockland 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 Limerock St Ste 9998 Rockland , ME 04841-9998

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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
  • 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 Rockport Post Office in Rockport, ME

Rockport 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
223 Union St Rockport , ME 04856-9998

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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 8:30 AM 11:30 AM
Sunday Closed
  • 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 South Thomaston Post Office in South Thomaston, ME

South Thomaston 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
8 Elm St South Thomaston , ME 04858-9998

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Open hours
Day Open Close
Monday 8:00 AM 12:30 PM
1:30 PM 4:00 PM
Tuesday 8:00 AM 12:30 PM
1:30 PM 4:00 PM
Wednesday 8:00 AM 12:30 PM
1:30 PM 4:00 PM
Thursday 8:00 AM 12:30 PM
1:30 PM 4:00 PM
Friday 8:00 AM 12:30 PM
1:30 PM 4:00 PM
Saturday 9:00 AM 11:00 AM
Sunday Closed

Phone: 207-594-7400

  • 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 Spruce Head Post Office in Spruce Head, ME

Spruce Head 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
11 Post Office Rd Spruce Head , ME 04859-9998

Get directions

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 8:15 AM 11:30 AM
Sunday Closed

Phone: 207-594-7647

  • 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 Tenants Harbor Post Office in Tenants Harbor, ME

Tenants Harbor 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
4 Main St Tenants Harbor , ME 04860-9998

Get directions

Open hours
Day Open Close
Monday 9:00 AM 12:30 PM
1:30 PM 4:00 PM
Tuesday 9:00 AM 12:30 PM
1:30 PM 4:00 PM
Wednesday 9:00 AM 12:30 PM
1:30 PM 4:00 PM
Thursday 9:00 AM 12:30 PM
1:30 PM 4:00 PM
Friday 9:00 AM 12:30 PM
1:30 PM 4:00 PM
Saturday 9:30 AM 11:30 AM
Sunday Closed

Phone: 207-372-6301

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

Thomaston 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
135 Main St Thomaston , ME 04861-9998

Get directions

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 11:00 AM
Sunday Closed
  • 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 Union Post Office in Union, ME

Union 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
309 Common Rd Union , ME 04862-9998

Get directions

Open hours
Day Open Close
Monday 9:00 AM 4:15 PM
Tuesday 9:00 AM 4:15 PM
Wednesday 9:00 AM 4:15 PM
Thursday 9:00 AM 4:15 PM
Friday 9:00 AM 4:15 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed

Phone: 207-785-3734

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

Vinalhaven 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
42 Main St Vinalhaven , ME 04863-9998

Get directions

Open hours
Day Open Close
Monday 9:00 AM 12:00 PM
1:00 PM 4:30 PM
Tuesday 9:00 AM 12:00 PM
1:00 PM 4:30 PM
Wednesday 9:00 AM 12:00 PM
1:00 PM 4:30 PM
Thursday 9:00 AM 12:00 PM
1:00 PM 4:30 PM
Friday 9:00 AM 12:00 PM
1:00 PM 4:30 PM
Saturday 8:30 AM 11:30 AM
Sunday Closed

Phone: 207-863-4620

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

Warren 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 Main St Warren , ME 04864-9998

Get directions

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 11:30 AM
Sunday Closed

Phone: 207-273-2411

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

Washington 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
11 Liberty Rd Washington , ME 04574-9998

Get directions

Open hours
Day Open Close
Monday 7:30 AM 11:30 AM
12:30 PM 2:30 PM
Tuesday 7:30 AM 11:30 AM
12:30 PM 2:30 PM
Wednesday 7:30 AM 11:30 AM
12:30 PM 2:30 PM
Thursday 7:30 AM 11:30 AM
12:30 PM 2:30 PM
Friday 7:30 AM 11:30 AM
12:30 PM 2:30 PM
Saturday 7:30 AM 10:45 AM
Sunday Closed

Phone: 207-845-2412

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

West Rockport 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
642 Rockland St West Rockport , ME 04865-9998

Get directions

Open hours
Day Open Close
Monday 8:30 AM 11:30 AM
12:30 PM 3:30 PM
Tuesday 8:30 AM 11:30 AM
12:30 PM 3:30 PM
Wednesday 8:30 AM 11:30 AM
12:30 PM 3:30 PM
Thursday 8:30 AM 11:30 AM
12:30 PM 3:30 PM
Friday 8:30 AM 11:30 AM
12:30 PM 3:30 PM
Saturday 9:00 AM 11:15 AM
Sunday Closed

Phone: 207-236-8285

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