Area code · California
Get a 408 phone number
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The 408 area code is the original number for San Jose and the surrounding heart of Silicon Valley, covering Santa Clara, Sunnyvale, and Mountain View. In the Ghost app, you pick 408 as your area code and get a working number in minutes, no new SIM or carrier switch required. It's a straightforward way to have a number that reads as local to the South Bay.
See why thousands trust Ghost for their virtual phone number
Why choose a 408 virtual phone number?
Look local to South Bay buyers
If you're selling a car or an old couch on a local marketplace, a 408 number tells San Jose and Santa Clara buyers you're nearby, not someone posting from across the country.
Job hunting in the tech corridor
Recruiters and hiring managers in Sunnyvale, Santa Clara, and Mountain View tend to notice a local area code on a resume or callback number before they notice anything else.
Dating apps read the room
A 408 number on a dating profile signals you're actually in the San Jose or Sunnyvale area, which matters more than people admit when someone's deciding whether to match.
Keep the number when you move
If you grew up in San Jose or Fremont and relocated, you can still carry a 408 number so old friends and family recognize the code when you call.
Separate work from personal life
Give clients or coworkers a 408 number that stays in the app, and keep your main line for the people who actually know you.
Moving to the South Bay
If you're relocating to Santa Clara or Mountain View for a new job, a 408 number lets you set up local contacts and services before you even arrive.
How to get a 408 phone number
- 1
Pick your area code
Choose any 408 area code, or any other US or Canadian code.
- 2
Choose your number
See available numbers instantly and pick the one you like.
- 3
Start calling and texting
Your number works over WiFi or data for everyday calling and texting. No SIM card, no new phone plan.
- 4
Stay in control
Mute it, set it to Do Not Disturb, or delete and replace it whenever you want.
Ghost can't be used for 911 or emergency calls, so keep your regular line for those.
Get My 408 NumberAbout the 408 area code
Area code
408
State
California
Overlay codes
510, 650, 669, 831, 916
Cities served
12+
The 408 area code covers San Jose and much of the South Bay, including Fremont, Sunnyvale, Santa Clara, San Mateo, Tracy, and Mountain View, along with Salinas to the south. It's one of the most recognized codes in the region because San Jose anchors the entire area.
408 shares its footprint with the 669 overlay, meaning both codes serve the same San Jose area and new numbers there can come from either one. Nearby regions are covered by separate codes: 510 to the north around Fremont's neighboring areas, 650 covering San Mateo and the Peninsula, 831 down toward Salinas, and 916 further inland. Each of those serves its own distinct area rather than overlapping with 408 directly.
The entire 408 region runs on Pacific time, America/Los_Angeles. That keeps calling patterns simple across San Jose, Santa Clara, and the rest of the South Bay since everyone in the code is on the same clock.
Coverage from public numbering and census data. Sources
Local economy
Why do business in San Jose?
The 408 area code sits at the center of Silicon Valley, anchored by San Jose and stretching through Santa Clara, Sunnyvale, and Mountain View, with Salinas and Tracy extending the region outward.
Technology
San Jose, Santa Clara, Sunnyvale, and Mountain View form one of the most concentrated tech hubs anywhere, with software, hardware, and engineering firms driving much of the local job market.
Agriculture
Salinas anchors a major agricultural region, supplying produce that moves through the broader South Bay economy.
Logistics and distribution
Tracy's position along inland transportation routes makes it an important hub for warehousing and distribution serving the wider Bay Area.
Frequently asked questions
How fast can I get a 408 phone number?
You can get one in minutes through the Ghost app. Pick 408 as your area code, choose an available number, and it's ready to use right away.
Which cities use the 408 area code?
408 covers San Jose, Fremont, Salinas, Sunnyvale, Santa Clara, San Mateo, Tracy, and Mountain View. San Jose is the anchor city for the code.
Can I keep my 408 number if I move away from San Jose?
Yes. Since your 408 number lives in the Ghost app rather than tied to a physical SIM in one location, you can keep using it for calls and texts no matter where you relocate.
What does Ghost Premium cost?
Ghost Premium is $60 every 2 months and includes 5 phone numbers, unlimited calling and texting in the US and Canada, your choice of area code, and the ability to delete and replace your number. Cancel anytime. No contracts.
Ready for your 408 number?
Pick a 408 (or 510, 650, 669, 831, 916) number and start calling and texting in minutes.
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