Post offices serve all communities within a county, from city branch locations to rural contract postal units that serve smaller towns and unincorporated areas with essential mail services. There are 12 Post Office locations in Trinity County, California.

Residents of Trinity County should be aware that rural post offices and contract postal units may have limited hours compared to full-service branches. USPS provides a free package pickup service for all residents, including those in rural areas, which can eliminate the need to travel to a post office for outgoing packages.

List of Trinity County, California Post Office

Douglas City Post Office

View Details Call Now (530) 623-5149

Douglas City Post Office

Address
Get Direction
Hours

Burnt Ranch Post Office

View Details Call Now (530) 629-2847

Burnt Ranch Post Office

Address
Get Direction
Hours

Big Bar Post Office

View Details Call Now (530) 623-6697

Big Bar Post Office

Address
Get Direction
Hours

Hayfork Post Office

View Details Call Now (530) 628-5515

Hayfork Post Office

Address
Get Direction
Hours

Junction City Post Office

View Details Call Now (530) 623-5254

Junction City Post Office

Address
Get Direction
Hours

Hyampom Post Office

View Details Call Now (530) 628-5955

Hyampom Post Office

Address
Get Direction
Hours

Weaverville Post Office

View Details Call Now (530) 623-6144

Weaverville Post Office

Address
Get Direction
Hours

Zenia Post Office

Address
Get Direction
Hours

Salyer Post Office

View Details Call Now (530) 629-2380

Salyer Post Office

Address
Get Direction
Hours

Trinity Center Post Office

View Details Call Now (530) 266-3455

Trinity Center Post Office

Address
Get Direction
Hours

Shasta Post Office

View Details Call Now (530) 241-9431

Shasta Post Office

Address
Get Direction
Hours

Lewiston Post Office

View Details Call Now (530) 778-3939

Lewiston Post Office

Address
Get Direction
Hours

Residents of Trinity County can use the USPS online location finder to identify the nearest post office, rural branch, or contract postal unit and check their individual hours. Enrolling in USPS Informed Delivery is free and lets all county residents preview incoming mail and packages via email or the USPS app each morning before delivery.

You may also find Post Office locations in neighboring counties including Trinity, Humboldt.