408 Area Code Phone Numbers – San Jose & Silicon Valley
Get a local 408 phone number for San Jose & Silicon Valley. Search available 408 and 669 numbers, pick one you'll remember, and pay a one-time price — 20% off every number.
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Where is the 408 area code?
The 408 area code covers San Jose, Santa Clara, Sunnyvale, Cupertino and much of Silicon Valley in California.
408 is the area code of Silicon Valley's south bay. For startups, consultants and local services around San Jose, a 408 number keeps you local in one of the country's most active business regions.
Overlay area codes for 408
669 has overlaid 408 since 2012. Both are local numbers for the same area.
Nearby area codes
Why get a 408 number?
A local area code tells callers you're part of their community, and it makes customers more likely to pick up and call back. Whether you need a second line for your business, a number for a side project, or a fresh personal number, a 408 number keeps you local to San Jose & Silicon Valley.
Want something easier to remember? On Browse Numbers you can filter 408 numbers for repeating digits, sequences like 1234 and mirror patterns — see Number Patterns for ideas. If you care about meaning, each number also shows an optional Thai and Chinese reading.
408 phone number questions
Can I get a 408 number if I don't live in San Jose & Silicon Valley?
Yes. Many people choose an area code from a city where they work, grew up or have customers. Whether your carrier accepts a specific number is confirmed during the transfer — if you're unsure, ask us before you buy.
Do I need to dial the area code for local calls?
Yes. Because 408 shares its territory with 669, local calls in the area are dialed with all ten digits.
How do I start using my new 408 number?
After checkout we send the details you need to transfer the number to a compatible carrier. The full steps are in our Porting Guide.
Looking for a different city? See the full U.S. Area Code Guide.