How do I find a ZIP code by city or state?

You can find ZIP codes by city or state using our search tool. Just enter the city or state name, and you'll see all related ZIP codes instantly.

What is a ZIP+4 code?

A ZIP+4 code adds four digits to the basic five-digit ZIP code. It helps the USPS deliver mail more precisely to specific addresses or buildings.

Are ZIP codes the same as postal codes?

ZIP codes are the U.S. version of postal codes, used by the USPS to identify delivery areas. Other countries use postal codes with different formats.

All ZIP Codes for Willow Creek California – Postal Code Lookup

Willow Creek ZIP Code

The city of Willow Creek is assigned specific ZIP Code(s) by the United States Postal Service (USPS) to make mail delivery accurate and efficient. A ZIP Code in Willow Creek helps identify the correct postal area, ensuring that letters, parcels, and packages reach the right neighborhood or post office without delay. For residents, businesses, and visitors, knowing the correct Willow Creek ZIP Code is important not only for mailing purposes but also for location-based services, navigation, and demographic reference.

Willow Creek

Post Office	Willow Creek
Division	Humboldt
Pincode	95573

Total Post Office (1) Page 1 of 1

Zip Codes in Willow Creek, California

Zip Code list in Humboldt for your selected city Willow Creek is shown below. Use these ZIP Codes to ensure accurate mail delivery, business operations, or location reference.

95573

About Willow Creek, California ZIP Codes

Willow Creek is located in Humboldt County, California. The United States Postal Service (USPS) assigns multiple ZIP Codes in this region to simplify mail distribution, navigation, and address identification. Each ZIP Code in Willow Creek covers a specific neighborhood or area, which is important for residents, businesses, and government offices. Having the correct ZIP Code ensures smooth delivery of letters, online orders, and official documents.

Why Knowing the ZIP Code is Important?

Ensures accurate and timely mail delivery
Helps businesses and eCommerce platforms verify addresses
Useful for demographic research and census data
Required for utilities, banking, and government services

Frequently Asked Questions (FAQs) about Willow Creek ZIP Codes

The primary ZIP Code for Willow Creek, California depends on the specific neighborhood. Use our list above to find the correct code.

Willow Creek has multiple ZIP Codes covering different areas of the city. Check the table above for the complete list.

You can use our ZIP Code lookup tool by selecting the city, county, and state to locate the right code for your address.

All ZIP Codes in Willow Creek are assigned and managed by the United States Postal Service (USPS) for accurate mail sorting and delivery.

Yes, in many cases a single ZIP Code can cover more than one neighborhood or locality in Willow Creek to simplify mail distribution.

ZIP Codes usually remain stable for decades, but USPS may introduce new codes or adjust boundaries when population grows or new delivery routes are added in Willow Creek.