Post offices in the county of McCook, SD

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 Bridgewater Post Office in Bridgewater, SD

Bridgewater 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 N Main Ave Bridgewater , SD 57319-9998

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Open hours
Day Open Close
Monday 7:30 AM 11:30 AM
Tuesday 7:30 AM 11:30 AM
Wednesday 7:30 AM 11:30 AM
Thursday 7:30 AM 11:30 AM
Friday 7:30 AM 11:30 AM
Saturday 8:00 AM 9:00 AM
Sunday Closed
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Street View Image of Canistota Post Office in Canistota, SD

Canistota 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
222 W Main St Canistota , SD 57012-9998

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Open hours
Day Open Close
Monday 7:30 AM 10:00 AM
12:00 PM 3:30 PM
Tuesday 7:30 AM 10:00 AM
12:00 PM 3:30 PM
Wednesday 7:30 AM 10:00 AM
12:00 PM 3:30 PM
Thursday 7:30 AM 10:00 AM
12:00 PM 3:30 PM
Friday 7:30 AM 10:00 AM
12:00 PM 3:30 PM
Saturday 9:00 AM 10:00 AM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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Street View Image of Montrose Post Office in Montrose, SD

Montrose 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
105 W Main St Montrose , SD 57048-9998

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Open hours
Day Open Close
Monday 7:30 AM 11:30 AM
Tuesday 7:30 AM 11:30 AM
Wednesday 7:30 AM 11:30 AM
Thursday 7:30 AM 11:30 AM
Friday 7:30 AM 11:30 AM
Saturday 7:30 AM 9:45 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 Salem Post Office in Salem, SD

Salem 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
311 N Main St Salem , SD 57058-9998

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Open hours
Day Open Close
Monday 9:00 AM 12:00 PM
1:30 PM 4:00 PM
Tuesday 9:00 AM 12:00 PM
1:30 PM 4:00 PM
Wednesday 9:00 AM 12:00 PM
1:30 PM 4:00 PM
Thursday 9:00 AM 12:00 PM
1:30 PM 4:00 PM
Friday 9:00 AM 12:00 PM
1:30 PM 4:00 PM
Saturday 9:00 AM 9:45 AM
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 Spencer Post Office in Spencer, SD

Spencer 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
306 Main St Spencer , SD 57374-9998

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Open hours
Day Open Close
Monday 10:00 AM 12:00 PM
Tuesday 10:00 AM 12:00 PM
Wednesday 10:00 AM 12:00 PM
Thursday 10:00 AM 12:00 PM
Friday 10:00 AM 12:00 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
    STAMPS100
    $100 value