Post offices in the county of Sierra, CA

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 Alleghany Post Office in Alleghany, CA

Alleghany 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
356 Main St Alleghany , CA 95910-9998

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Open hours
Day Open Close
Monday 1:00 PM 3:00 PM
Tuesday 1:00 PM 3:00 PM
Wednesday 1:00 PM 3:00 PM
Thursday 1:00 PM 3:00 PM
Friday 1:00 PM 3:00 PM
Saturday Closed
Sunday Closed

Phone: 530-287-3427

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Street View Image of Sattley Post Office in Calpine, CA

Sattley 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
131 County Rd Calpine , CA 96124-9995

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

Phone: 530-994-3508

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Street View Image of Downieville Post Office in Downieville, CA

Downieville 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
301 Main St Downieville , CA 95936-9998

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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 Closed
Sunday Closed
  • Stamps.com logo
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Street View Image of Goodyears Bar Post Office in Goodyears Bar, CA

Goodyears Bar 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
22 Post Office Spur Goodyears Bar , CA 95944-9998

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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 9:00 AM 11:00 AM
Sunday Closed

Phone: 530-289-3442

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Street View Image of Loyalton Post Office in Loyalton, CA

Loyalton 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
500 Main St Loyalton , CA 96118-9995

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

Phone: 530-993-4471

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Street View Image of Sierra City Post Office in Sierra City, CA

Sierra 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
215 Main St Sierra City , CA 96125-9995

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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 10:30 AM 12:30 PM
Sunday Closed

Phone: 530-862-1152

  • Stamps.com logo
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Street View Image of Sierraville Post Office in Sierraville, CA

Sierraville 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 Lincoln St Sierraville , CA 96126-9995

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Open hours
Day Open Close
Monday 9:15 AM 11:15 AM
Tuesday 9:15 AM 11:15 AM
Wednesday 9:15 AM 11:15 AM
Thursday 9:15 AM 11:15 AM
Friday 9:15 AM 11:15 AM
Saturday Closed
Sunday Closed

Phone: 530-994-3460

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