Post offices in the county of Platte, 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 Chugwater Post Office in Chugwater, WY

Chugwater 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
237 2nd St Chugwater , WY 82210-9624

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Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
1:00 PM 3:00 PM
Tuesday 8:00 AM 12:00 PM
1:00 PM 3:00 PM
Wednesday 8:00 AM 12:00 PM
1:00 PM 3:00 PM
Thursday 8:00 AM 12:00 PM
1:00 PM 3:00 PM
Friday 8:00 AM 12:00 PM
1:00 PM 3:00 PM
Saturday 8:00 AM 10:00 AM
Sunday Closed
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Street View Image of Glendo Post Office in Glendo, WY

Glendo 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
118 N Yellowstone Hwy Glendo , WY 82213-9901

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Open hours
Day Open Close
Monday 8:15 AM 1:00 PM
1:30 PM 4:45 PM
Tuesday 8:15 AM 1:00 PM
1:30 PM 4:45 PM
Wednesday 8:15 AM 1:00 PM
1:30 PM 4:45 PM
Thursday 8:15 AM 1:00 PM
1:30 PM 4:45 PM
Friday 8:15 AM 1:00 PM
1:30 PM 4:45 PM
Saturday 10:00 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 Guernsey Post Office in Guernsey, WY

Guernsey 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 S Wyoming Guernsey , WY 82214-9901

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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 9:30 AM
Sunday Closed

Phone: 307-836-2804

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

Hartville 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 Hartville , WY 82215-9901

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Open hours
Day Open Close
Monday 8:30 AM 10:30 AM
Tuesday 8:30 AM 10:30 AM
Wednesday 8:30 AM 10:30 AM
Thursday 8:30 AM 10:30 AM
Friday 8:30 AM 10:30 AM
Saturday 8:00 AM 9:45 AM
Sunday Closed

Phone: 307-836-2516

  • 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, WY

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
852 Walnut St Wheatland, WY 82201-9998

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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 Wheatland Post Office in Wheatland, WY

Wheatland 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.