There are 25 unique ZIP codes in Pasadena, California. Area code: 626/323.
25
ZIP codes
25.18
sq mi land
0.13
sq mi water
626/323
area code
Pasadena, CA ZIP code map
About Pasadena, CA
Pasadena, California, is a vibrant city located in the heart of Los Angeles County. Known for its rich history, beautiful architecture, and cultural institutions, Pasadena has emerged as a desirable destination for residents and visitors alike. The city is famous for the annual Tournament of Roses Parade and the Rose Bowl, which attract thousands each New Year's Day. With its blend of urban liveliness and suburban charm, Pasadena offers a unique small-town feel within the sprawling metropolis of Los Angeles.
Location & geography
Nestled in the San Gabriel Valley, Pasadena is surrounded by the majestic San Gabriel Mountains to the north and is situated approximately 10 miles northeast of downtown Los Angeles. The city's geographic layout features a land area of 25.18 square miles, while its water area measures 0.13 square miles, adding to its picturesque setting. Nearby major cities include Glendale to the west, San Marino to the southeast, and Arcadia to the northeast, making Pasadena a central hub in this bustling region of Southern California.
Community & economy
Pasadena boasts a diverse community with a rich cultural tapestry and a population that enjoys a blend of suburban tranquility and urban excitement. The city reflects a residential character that is predominantly suburban, with numerous parks, tree-lined streets, and historic neighborhoods. It is home to various industries, including education, healthcare, and technology, creating a dynamic environment where daily life thrives amidst local cafes, boutiques, and community events.
Transportation
Major highways that run through Pasadena include the Interstate 210 to the north and the California State Route 134, providing easy access to neighboring areas and beyond. The nearest major airport is the Bob Hope Airport, located approximately 25 miles northwest, while the Los Angeles International Airport (LAX) lies about 30 miles to the southwest. Additionally, public transit options such as the Gold Line light rail and various bus services make traveling within and outside the city convenient for residents and visitors.
History
Pasadena has a rich history that dates back to its establishment as a community in the late 1800s. Originally known for its agricultural produce and groves, the city slowly transformed into a center for education and innovation, highlighted by the founding of the California Institute of Technology. Over the years, Pasadena has preserved its historic architecture while evolving into a modern urban center, reflecting the diverse influences and contributions of its residents.
Did you know?
One surprising fact about Pasadena is that it is home to the world's only museum dedicated entirely to the history and design of the Games of the Olympics. Additionally, the city has an impressive number of historic homes, showcasing architectural styles such as Craftsman, Mission Revival, and Spanish Colonial, making it a hidden gem for architecture enthusiasts.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What ZIP codes does Pasadena, CA have?
Pasadena, CA has 19 ZIP codes: 91101, 91103, 91104, 91105, 91106, 91107, 91110, 91121, 91123, 91124, 91125, 91126, 91129, 91182, 91184, 91185, 91188, 91189, 91199. Each ZIP code serves a distinct delivery area within the city and surrounding region.
What is the main ZIP code for Pasadena, CA?
The primary ZIP code for Pasadena, CA is 91101. The city uses area code 626 or 323 for phone service.
What county is Pasadena, CA in?
Pasadena is located in Los Angeles County, California.
How many ZIP codes are in Pasadena, CA?
Pasadena, CA has 19 ZIP codes.
What ZIP codes cover the California Institute of Technology (Caltech) campus in Pasadena?
Caltech's main campus is located in ZIP codes 91125 and 91126 in the central part of Pasadena.
Which ZIP codes include Pasadena's downtown area and Old Town Pasadena?
Downtown Pasadena and Old Town are primarily located in ZIP codes 91101 and 91103, which cover the historic central district of the city.
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