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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.

Complete ZIP Codes For Siskiyou, California

Browse Siskiyou ZIP Codes

ZIP Codes in Siskiyou County help organize mail delivery and define local service areas. Each ZIP Code corresponds to a specific community or post office, ensuring residents, businesses, and visitors can find accurate address information quickly. By browsing the complete list of Siskiyou ZIP Codes, you can easily identify the correct code for mailing, business, or geographic purposes.

Yreka

Post Office	Yreka
Division	Siskiyou
Pincode	96097

Weed

Post Office	Weed
Division	Siskiyou
Pincode	96094

Mount Shasta

Post Office	Mount Shasta
Division	Siskiyou
Pincode	96067

Montague

Post Office	Montague
Division	Siskiyou
Pincode	96064

Fort Jones

Post Office	Fort Jones
Division	Siskiyou
Pincode	96032

Etna

Post Office	Etna
Division	Siskiyou
Pincode	96027

Total Post Offices (21) Page 1 of 4
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Cities in Siskiyou

21 cities in Siskiyou County | List of ZIP Codes in California

ZIP codes in Siskiyou County, California not only facilitate mail delivery but also provide important demographic and geographic insights. Each ZIP code corresponds to specific areas within the county, helping businesses, residents, and researchers understand population distribution, city locations, and service coverage across Siskiyou County.

Businesses and service providers rely on accurate ZIP code information in Siskiyou County to plan deliveries, target customers, and ensure timely services. By referencing the full list of ZIP codes, companies can optimize logistics and outreach, while residents can easily identify the correct postal codes for their addresses within California.

Knowing the correct ZIP codes in Siskiyou County ensures fast and accurate mail delivery from the United States Postal Service (USPS). It also helps travelers, online shoppers, and local residents navigate efficiently across towns and communities in Siskiyou County, making ZIP codes an essential part of daily life and business operations.