Altadena ZIP Code Finder by Area and Number California

The Altadena zip code is 91001 in California helps people find the correct mailing location for homes, businesses, and services in Altadena.

Welcome to our complete guide for Altadena, California ZIP Codes. Whether you're moving to Altadena, sending mail, searching for an address, or looking for local postal information, this page provides everything you need to know about the ZIP Codes serving Altadena, California.

Every Altadena ZIP Code is assigned by the United States Postal Service (USPS) to support efficient mail delivery and address identification. In addition to postal services, Altadena ZIP Codes are widely used for online shopping, navigation, banking, insurance, healthcare, business operations, and government services.

City	Altadena
Zip Code	91001
State	California
County	Los Angeles
Population	36,402
Latitude	34.19522
Longitude	-118.13866
Time Zone	America/Los_Angeles

The Altadena California zip code is used by USPS for mail delivery, shipping, and address identification across Altadena and nearby California cities.

Altadena California is a growing city in California, and many people search for the Altadena zip code, Altadena postal code, Altadena CA zip code, and Altadena California mailing code when sending mail or locating addresses. The zip code in Altadena is important for deliveries, online orders, location searches, and business listings in Altadena.

If you are searching for the Altadena zip code list, Altadena CA postal code, Altadena California city zip code, or Altadena mailing zip code, this page helps you quickly find the correct Altadena zip code. Many residents, travelers, and businesses use the Altadena zip code lookup to confirm the correct Altadena mailing address.

The Altadena zip code area covers neighborhoods, residential communities, and business locations in Altadena CA. Whether you are looking for the Altadena city zip code, Altadena California postal code, Altadena CA mailing code, or Altadena location zip code, the Altadena zip code California helps identify the correct postal region in California.

People also search for zip codes near Altadena, Altadena postal codes, Altadena CA zip code lookup, Altadena address zip code, and Altadena California USPS zip code to find nearby locations in California.

ZIP Codes in Altadena

The following ZIP Codes serve Altadena, California.

ZIP Code	County	Population	Time Zone
91001	Los Angeles	36,402	America/Los_Angeles

Whether you're searching for a residential, commercial, or mailing address, the ZIP Code list above makes it easy to find the correct postal code for Altadena.

About Altadena, California

Altadena is located in Los Angeles County, California, and is served by one or more ZIP Codes assigned by USPS. Residents, businesses, and visitors rely on these ZIP Codes for mail delivery, package shipping, address verification, and location-based services.

Some cities have a single ZIP Code, while larger cities may have multiple ZIP Codes covering different neighborhoods or business districts.

If you're searching for a Altadena ZIP Code, this page provides the latest available information to help you find the correct postal code quickly.

Altadena ZIP Code Map

The Altadena ZIP Code map helps visitors understand the geographic coverage of ZIP Code areas throughout the city.

The map can help you:

Locate neighborhoods
Find nearby ZIP Codes
Explore surrounding communities
Plan travel routes
Understand delivery areas

Find a ZIP Code in Altadena

If you need to locate a ZIP Code within Altadena, you can search using:

Street address
Neighborhood
Business name
Landmark
USPS mailing address

Using the correct Altadena ZIP Code helps improve mail delivery, shipping accuracy, and address verification.

About Living in Altadena

Altadena, California is part of Los Angeles County and is home to approximately 36,402 residents. The city operates in the America/Los_Angeles time zone and is identified by the geographic coordinates 34.19522 latitude and -118.13866 longitude.

Residents enjoy access to local schools, businesses, public services, healthcare facilities, parks, and transportation networks. Whether you're relocating, visiting, or starting a business, knowing the correct ZIP Code helps simplify everyday tasks.

Common Uses of Altadena ZIP Codes

ZIP Codes in Altadena are commonly used for:

USPS mail delivery
Package shipping
Online shopping
Address verification
Banking
Insurance
Government services
Emergency services
Navigation
Real estate
Business operations
Delivery planning

Why Altadena ZIP Codes Matter

Using the correct Altadena ZIP Code offers several benefits.

For Residents

Faster mail delivery
Accurate online orders
Easier address verification
Better navigation

For Businesses

Shipping optimization
Customer management
Delivery planning
Local marketing

Frequently Asked Questions

Altadena is served by one or more ZIP Codes listed on this page.

Altadena is currently served by 1 ZIP Code. The number of ZIP Codes depends on the size of the city and USPS delivery routes.

Altadena is located in Los Angeles County.

Altadena is located in California.

The estimated population of Altadena is 36,402.

Altadena follows the America/Los_Angeles time zone.

Use your street address or browse the ZIP Code list available on this page.

No. Some ZIP Codes may include residential, commercial, government, or PO Box delivery areas.

Using the correct ZIP Code helps improve mail delivery, shipping accuracy, navigation, and address verification.

Official ZIP Code information is maintained by the United States Postal Service (USPS).

Conclusion

Whether you're looking for a mailing address, planning a move, or researching local information, this Altadena, California ZIP Code guide makes it easy to find the postal information you need. Explore the ZIP Code list, use the map, and browse additional location details to learn more about Altadena and its surrounding communities.