Post offices in the county of Trinity, 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.
Big Bar Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:00 AM 1:00 PM Tuesday 9:00 AM 1:00 PM Wednesday 9:00 AM 1:00 PM Thursday 9:00 AM 1:00 PM Friday 9:00 AM 1:00 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 530-623-6697
Burnt Ranch Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:30 AM 12:30 PM Tuesday 8:30 AM 12:30 PM Wednesday 8:30 AM 12:30 PM Thursday 8:30 AM 12:30 PM Friday 8:30 AM 12:30 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 530-629-2847
Douglas City Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:30 AM 12:30 PM 1:00 PM 3:00 PM Tuesday 8:30 AM 12:30 PM 1:00 PM 3:00 PM Wednesday 8:30 AM 12:30 PM 1:00 PM 3:00 PM Thursday 8:30 AM 12:30 PM 1:00 PM 3:00 PM Friday 8:30 AM 12:30 PM 1:00 PM 3:00 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 530-623-5149
Hayfork Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 530-628-5515
Hyampom Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 530-628-5955
Junction City Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:00 AM 1:00 PM 1:30 PM 2:30 PM Tuesday 8:00 AM 1:00 PM 1:30 PM 2:30 PM Wednesday 8:00 AM 1:00 PM 1:30 PM 2:30 PM Thursday 8:00 AM 1:00 PM 1:30 PM 2:30 PM Friday 8:00 AM 1:00 PM 1:30 PM 2:30 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 530-623-5254
Lewiston Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:00 AM 12:30 PM 1:00 PM 4:00 PM Tuesday 8:00 AM 12:30 PM 1:00 PM 4:00 PM Wednesday 8:00 AM 12:30 PM 1:00 PM 4:00 PM Thursday 8:00 AM 12:30 PM 1:00 PM 4:00 PM Friday 8:00 AM 12:30 PM 1:00 PM 4:00 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 530-778-3939
Fax: 530-778-3194
Mad River Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:30 AM 2:00 PM 2:30 PM 4:00 PM Tuesday 9:30 AM 2:00 PM 2:30 PM 4:00 PM Wednesday 9:30 AM 2:00 PM 2:30 PM 4:00 PM Thursday 9:30 AM 2:00 PM 2:30 PM 4:00 PM Friday 9:30 AM 2:00 PM 2:30 PM 4:00 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-574-6511
Fax: 707-574-6511
Platina Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:30 AM 11:30 AM 12:00 PM 4:00 PM Tuesday 9:30 AM 11:30 AM 12:00 PM 4:00 PM Wednesday 9:30 AM 11:30 AM 12:00 PM 4:00 PM Thursday 9:30 AM 11:30 AM 12:00 PM 4:00 PM Friday 9:30 AM 11:30 AM 12:00 PM 4:00 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 530-352-4555
Salyer Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 530-629-2380
Fax: 530-629-2380
Trinity Center Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 7:30 AM 3:30 PM Tuesday 7:30 AM 3:30 PM Wednesday 7:30 AM 3:30 PM Thursday 7:30 AM 3:30 PM Friday 7:30 AM 3:30 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 530-266-3455
Weaverville Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:00 AM 4:00 PM Tuesday 8:00 AM 4:00 PM Wednesday 8:00 AM 4:00 PM Thursday 8:00 AM 4:00 PM Friday 8:00 AM 4:00 PM Saturday 8:00 AM 10:00 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 530-623-6144
Fax: 530-623-4955
Zenia Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- 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 10:00 AM 12:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 707-923-9687
Fax: 707-923-9687