Post offices in the county of Sweetwater, WY

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 Bairoil Post Office in Bairoil, WY

Bairoil 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
503 Antelope Dr Bairoil , WY 82322-9900

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Open hours
Day Open Close
Monday 8:00 AM 11:00 AM
11:30 AM 3:00 PM
Tuesday 8:00 AM 11:00 AM
11:30 AM 3:00 PM
Wednesday 8:00 AM 11:00 AM
11:30 AM 3:00 PM
Thursday 8:00 AM 11:00 AM
11:30 AM 3:00 PM
Friday 8:00 AM 11:00 AM
11:30 AM 3:00 PM
Saturday 8:00 AM 10:00 AM
Sunday Closed

Phone: 307-324-5541

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Street View Image of Farson Post Office in Farson, WY

Farson 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
4050 N Us Highway 191 Farson , WY 82932-9800

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Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
1:00 PM 4:00 PM
Tuesday 8:00 AM 12:00 PM
1:00 PM 4:00 PM
Wednesday 8:00 AM 12:00 PM
1:00 PM 4:00 PM
Thursday 8:00 AM 12:00 PM
1:00 PM 4:00 PM
Friday 8:00 AM 12:00 PM
1:00 PM 4:00 PM
Saturday 9:00 AM 10:30 AM
Sunday Closed
  • Stamps.com logo
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Street View Image of Granger Post Office in Granger, WY

Granger 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 Pine St Granger , WY 82934-9800

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Open hours
Day Open Close
Monday 10:00 AM 12:00 PM
12:30 PM 4:30 PM
Tuesday 10:00 AM 12:00 PM
12:30 PM 4:30 PM
Wednesday 10:00 AM 12:00 PM
12:30 PM 4:30 PM
Thursday 10:00 AM 12:00 PM
12:30 PM 4:30 PM
Friday 10:00 AM 12:00 PM
12:30 PM 4:30 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%.
    Promo code
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Street View Image of Green River Post Office in Green River, WY

Green River 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
350 Uinta Dr Green River , WY 82935-9998

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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 9:30 AM 1:00 PM
Sunday Closed
  • Stamps.com logo
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    Promo code
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Street View Image of Little America Post Office in Little America, WY

Little America 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
6945 State Highway 374 Little America , WY 82929-9900

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Open hours
Day Open Close

Phone: 307-875-2400

  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Point Of Rocks Post Office in Point Of Rocks, WY

Point Of Rocks 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
7 Halter And Flick St Point Of Rocks , WY 82942-9900

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Open hours
Day Open Close
Monday 8:00 AM 12:30 PM
Tuesday 8:00 AM 12:30 PM
Wednesday 8:00 AM 12:30 PM
Thursday 8:00 AM 12:30 PM
Friday 8:00 AM 12:30 PM
Saturday 8:00 AM 10:00 AM
Sunday Closed

Phone: 307-362-2094

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

Rock Springs 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.

Street View Image of Rock Springs Post Office in Rock Springs, WY

Rock Springs 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
2829 Commercial Way Rock Springs, WY 82901-9998

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

Superior 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
81 Main St Superior , WY 82945-9800

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Open hours
Day Open Close
Monday 10:30 AM 12:30 PM
1:00 PM 5:00 PM
Tuesday 10:30 AM 12:30 PM
1:00 PM 5:00 PM
Wednesday 10:30 AM 12:30 PM
1:00 PM 5:00 PM
Thursday 10:30 AM 12:30 PM
1:00 PM 5:00 PM
Friday 10:30 AM 12:30 PM
1:00 PM 5:00 PM
Saturday 8:30 AM 11:30 AM
Sunday Closed

Phone: 307-362-7073

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

Wamsutter 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
302 Broadway St Wamsutter , WY 82336-9902

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Open hours
Day Open Close
Monday 10:00 AM 12:30 PM
1:00 PM 4:30 PM
Tuesday 10:00 AM 12:30 PM
1:00 PM 4:30 PM
Wednesday 10:00 AM 12:30 PM
1:00 PM 4:30 PM
Thursday 10:00 AM 12:30 PM
1:00 PM 4:30 PM
Friday 10:00 AM 12:30 PM
1:00 PM 4:30 PM
Saturday 8:30 AM 9:30 AM
Sunday Closed

Phone: 307-324-3674

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