Willow Creek, CA ZIP Codes & Directory
Willow Creek is located in Humboldt County in California. Browse all active 5-digit USPS ZIP codes serving Willow Creek and surrounding Humboldt County delivery districts.
All ZIP Codes in Willow Creek, CA
1 CodesAbout Willow Creek Mail Delivery & Postal Administration
ZIP codes in Willow Creek are administered by the United States Postal Service. Delivery routes are coordinated through regional Sectional Center Facilities (SCFs) servicing Humboldt County and surrounding California metropolitan districts.
Frequently Asked Questions About Willow Creek, CA ZIP Codes
How many ZIP codes serve Willow Creek, California? ▾
Willow Creek, California is served by 1 active USPS postal delivery codes: 95573.
What county is Willow Creek located in? ▾
Willow Creek is an incorporated city located within Humboldt County, California.
What is the population and demographic size of Willow Creek? ▾
According to official U.S. Census Bureau data, Willow Creek has an estimated population of 1,750 residents and is situated within the undefined.
How does mail sorting and delivery work in Willow Creek? ▾
Mail delivery in Willow Creek is operated by the United States Postal Service (USPS) through regional Sectional Center Facility (SCF) distribution plants servicing Humboldt County and surrounding California counties.
How much does it cost to ship a package to Willow Creek, CA? ▾
Shipping costs to Willow Creek depend on the package weight, dimensions, shipping carrier (USPS, UPS, FedEx), and the distance from the origin ZIP code. To calculate exact postage rates, use our shipping cost estimator tool.
What is the standard delivery time for mail to Willow Creek? ▾
Standard USPS Ground Advantage typically takes 2-5 business days to reach Willow Creek, depending on the origin. Priority Mail generally arrives in 1-3 business days. Please check tracking for specific regional routing times.