Get a 408 Area Code Phone Number for Local Presence in San Jose, California
Grow your business's local presence in San Jose and Silicon Valley, including Milpitas, Sunnyvale, Cupertino, and Los Gatos, with a 408 area code phone number. Build local trust, connect with customers, and expand your reach across the region with Calilio.

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Where Is Area Code 408 Located?
The 408 area code is situated in Northern California, primarily covering Santa Clara County. Major cities within this area code include San Jose, Sunnyvale, Santa Clara, Milpitas, Cupertino, Gilroy, Campbell, Morgan Hill, Saratoga, and Los Gatos.
Geographically, the 408 area code covers the southern part of the San Francisco Bay Area (known as the South Bay or Silicon Valley), extending from the northern edges of Santa Clara County down through its southern cities, and including small, unincorporated portions of Northern Santa Cruz and Alameda Counties.

Time Zone
The 408 area code is located in the Pacific Time Zone (PT) of the United States. During Standard Time, it operates on Pacific Standard Time , which is UTC-8 / GMT-8. When Daylight Saving Time is observed, it shifts to Pacific Daylight Time, which is UTC−7 / GMT−7. Daylight Saving Time begins on the second Sunday in March and ends on the first Sunday in November.
About California
California, located on the west coast of the United States, spans approximately 423,970 square kilometres (163,700 square miles) and is home to around 39.2 million residents as of 2023. The state is known for its diverse geography, featuring scenic coastlines, fertile valleys, and mountain ranges, along with major cities such as Los Angeles, San Francisco, San Diego, and San Jose. California’s economy is strong and diverse, powered by key industries like technology, entertainment, agriculture, healthcare, and trade. The 408 area code covers the central part of Silicon Valley, including cities such as San Jose, Cupertino, and Sunnyvale. For businesses, having a local 408 area code phone number helps build trust, credibility, and a strong presence within one of the most innovative regions in California, supporting growth and customer connections.
History of 408 Area Code
The 408 area code was established in 1959 to serve San Jose and San Clara. It was created as a split from the 415 area code. This change was made due to the growing population and industries in the region.
The 408 itself also witnessed various changes throughout its history. In 1998, it was split to create 831 area codes to serve the Monterey Bay area and the surrounding regions. Later, in 2012, the 669 area code was introduced as an overlay to the 408. This overlay allowed the existing 408 numbers to remain unchanged while providing new numbers to accommodate the growing demand for new numbers in the region.
Search Virtual Numbers with 408 Area Code
Pick your ideal virtual 408 phone number from our extensive inventory. Connect with the thriving San Jose market and broaden your reach.
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Exploring 408 Area Code: Business Scenario and Outlook
San Jose is the largest city and the capital of Silicon Valley. The region is a hub for various industries, including manufacturing, education, and healthcare. However, technology is the most thriving business in this area. More than 66,000 businesses are located in San Jose, with over 2,500 high-tech companies, including the world's top tech giants like Apple, Google, and Facebook.
San Jose has also been identified as the best city for small businesses in the United States. The region’s startup survival rate is an impressive 81.80%. So, if you’re looking to start a company in the US, the 408 area code offers a fertile ground for success.

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Features of Virtual 408 Area Code Numbers
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Grow your business communications seamlessly. Add lines or features effortlessly as your business expands.
How to Get a Virtual Phone Number with Area Code 408?
Secure a virtual 408 area code number effortlessly on Calilio and unlock the potential of San Jose’s market.
- Sign up and create an account on Calilio. Follow the simple registration process - provide your information and acquire your login credentials.
- Explore our range of VoIP plans. Select a plan that you find most suitable based on your business objectives.
- Navigate to “Numbers” and tap the “Purchase Numbers.” option. Browse a list of available virtual 408 numbers. Choose a phone number of your choice.
- Confirm your number and begin to checkout. Follow prompt instructions to finalize your payment.
- After checkout, your new number activates instantly. Access the settings and tailor them to provide a personalized experience.
Already Have a Local Phone Number with 408 Area Code?
Port your existing 408 number to Calilio and maximize its capabilities with advanced VoIP features for enhanced business communication.

Benefits of a 408 Area Code for Businesses
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Efficient Customer Service
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Frequently Asked Questions
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