Post offices in the county of St. Clair, MI

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 Algonac Post Office in Algonac, MI

Algonac 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
801 Saint Clair River Dr Algonac , MI 48001-9998

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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 8:30 AM 12:00 PM
Sunday Closed
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Street View Image of Allenton Post Office in Allenton, MI

Allenton 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
770 Capac Rd Allenton , MI 48002-9998

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Open hours
Day Open Close
Monday 9:30 AM 12:30 PM
1:00 PM 4:00 PM
Tuesday 9:30 AM 12:30 PM
1:00 PM 4:00 PM
Wednesday 9:30 AM 12:30 PM
1:00 PM 4:00 PM
Thursday 9:30 AM 12:30 PM
1:00 PM 4:00 PM
Friday 9:30 AM 12:30 PM
1:00 PM 4:00 PM
Saturday 8:00 AM 11:30 AM
Sunday Closed
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Street View Image of Anchorville Post Office in Anchorville, MI

Anchorville 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
9828 Dixie Hwy Anchorville , MI 48004-9998

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Open hours
Day Open Close
Monday 10:00 AM 12:30 PM
1:30 PM 5:00 PM
Tuesday 10:00 AM 12:30 PM
1:30 PM 5:00 PM
Wednesday 10:00 AM 12:30 PM
1:30 PM 5:00 PM
Thursday 10:00 AM 12:30 PM
1:30 PM 5:00 PM
Friday 10:00 AM 12:30 PM
1:30 PM 5:00 PM
Saturday 10:00 AM 12:00 PM
Sunday Closed

Phone: 586-725-9332

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Street View Image of Avoca Post Office in Avoca, MI

Avoca 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
8810 Avoca Rd Avoca , MI 48006-9998

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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 8:00 AM 11:00 AM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Capac Post Office in Capac, MI

Capac 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
102 W MIll St Capac , MI 48014-9998

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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 9:30 AM 12:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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    $100 value
Street View Image of China Twp Carrier Annex Post Office in East China, MI

China Twp Carrier Annex 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.

Post office address
3080 King Rd East China , MI 48054-9998

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Open hours
Day Open Close
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Street View Image of Emmett Post Office in Emmett, MI

Emmett 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
3120 Main St Emmett , MI 48022-9998

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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 8:00 AM 12:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Fair Haven Post Office in Fair Haven, MI

Fair 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
8680 Dixie Hwy Fair Haven , MI 48023-9998

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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
  • 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 Birchwood Mall Post Office in Fort Gratiot, MI

Birchwood Mall 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
4350 24th Ave Ste 324 Fort Gratiot , MI 48059-9998

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Open hours
Day Open Close
Monday 10:00 AM 5:00 PM
Tuesday 10:00 AM 5:00 PM
Wednesday 10:00 AM 5:00 PM
Thursday 10:00 AM 5:00 PM
Friday 10:00 AM 5:00 PM
Saturday 10:00 AM 2:00 PM
Sunday Closed
  • 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 Goodells Post Office in Goodells, MI

Goodells 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
2585 Goodells Rd Goodells , MI 48027-9998

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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 8:00 AM 12:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Harsens Island Post Office in Harsens Island, MI

Harsens Island 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
235 La Croix Rd Harsens Island , MI 48028-9998

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Open hours
Day Open Close
Monday 10:00 AM 2:00 PM
Tuesday 10:00 AM 2:00 PM
Wednesday 10:00 AM 2:00 PM
Thursday 10:00 AM 2:00 PM
Friday 10:00 AM 2:00 PM
Saturday 9:00 AM 12:30 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 Jeddo Post Office in Jeddo, MI

Jeddo 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
8511 Wildcat Rd Jeddo , MI 48032-9998

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Open hours
Day Open Close
Monday 1:00 PM 5:00 PM
Tuesday 1:00 PM 5:00 PM
Wednesday 1:00 PM 5:00 PM
Thursday 1:00 PM 5:00 PM
Friday 1:00 PM 5:00 PM
Saturday 8:00 AM 11:00 AM
Sunday Closed
  • 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 Marine City Post Office in Marine City, MI

Marine 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
460 S Water St Marine City , MI 48039-9998

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Open hours
Day Open Close
Monday 10:00 AM 4:30 PM
Tuesday 10:00 AM 4:30 PM
Wednesday 10:00 AM 4:30 PM
Thursday 10:00 AM 4:30 PM
Friday 10:00 AM 4:30 PM
Saturday 9:30 AM 12:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Marysville Post Office in Marysville, MI

Marysville 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
1238 Michigan Ave Marysville , MI 48040-9998

Get directions

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

Memphis 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
34805 Potter St Memphis , MI 48041-9998

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Open hours
Day Open Close
Monday 9:00 AM 11:00 AM
12:00 PM 4:30 PM
Tuesday 9:00 AM 11:00 AM
12:00 PM 4:30 PM
Wednesday 9:00 AM 11:00 AM
12:00 PM 4:30 PM
Thursday 9:00 AM 11:00 AM
12:00 PM 4:30 PM
Friday 9:00 AM 11:00 AM
12:00 PM 4:30 PM
Saturday 10:00 AM 12:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of North Street Post Office in North Street, MI

North Street 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
5201 North Rd North Street , MI 48049-9998

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Open hours
Day Open Close
Monday 10:00 AM 2:00 PM
Tuesday 10:00 AM 2:00 PM
Wednesday 10:00 AM 2:00 PM
Thursday 10:00 AM 2:00 PM
Friday 10:00 AM 2:00 PM
Saturday 9:30 AM 11:30 AM
Sunday Closed
  • 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 Port Huron Post Office in Port Huron, MI

Port Huron 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
852 32nd St Port Huron , MI 48061-9998

Get directions

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 3:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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Street View Image of Saint Clair Post Office in Saint Clair, MI

Saint Clair 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
202 Trumbull St Saint Clair , MI 48079-9998

Get directions

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 1:30 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Smiths Creek Post Office in Smiths Creek, MI

Smiths Creek 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
425 Henry St Smiths Creek , MI 48074-9998

Get directions

Open hours
Day Open Close
Monday 10:00 AM 2:00 PM
Tuesday 10:00 AM 2:00 PM
Wednesday 10:00 AM 2:00 PM
Thursday 10:00 AM 2:00 PM
Friday 10:00 AM 2:00 PM
Saturday 9:00 AM 1:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Yale Post Office in Yale, MI

Yale 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
211 Jones St Yale , MI 48097-9998

Get directions

Open hours
Day Open Close
Monday 10:00 AM 4:30 PM
Tuesday 10:00 AM 4:30 PM
Wednesday 10:00 AM 4:30 PM
Thursday 10:00 AM 4:30 PM
Friday 10:00 AM 4:30 PM
Saturday 10:00 AM 12:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value