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 8 Post Office locations in Colusa County, California.

Residents of Colusa 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 Colusa County, California Post Office

Arbuckle Post Office

View Details Call Now (530) 476-2235

Arbuckle Post Office

Address
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Hours

Colusa Post Office

View Details Call Now (530) 458-3016

Colusa Post Office

Address
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Hours

Grimes Post Office

View Details Call Now (530) 437-2439

Grimes Post Office

Address
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Hours

Maxwell Post Office

View Details Call Now (530) 438-2552

Maxwell Post Office

Address
Get Direction
Hours

Meridian Post Office

View Details Call Now (530) 696-2649

Meridian Post Office

Address
Get Direction
Hours

Stonyford Post Office

View Details Call Now (530) 963-3242

Stonyford Post Office

Address
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Hours

Princeton Post Office

View Details Call Now (530) 439-2252

Princeton Post Office

Address
Get Direction
Hours

Williams Post Office

View Details Call Now (530) 473-2472

Williams Post Office

Address
Get Direction
Hours

Residents of Colusa 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 Yolo, Colusa, Sutter.