Area code · California
Get a 510 phone number
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The 510 area code covers the East Bay, reading as Oakland, Fremont, Hayward, and the surrounding cities to anyone who sees it on a call or text. You can pick 510 in the Ghost app and get a real number tied to that code without switching phones or plans. Setup takes minutes, so you can start using it right away.
See why thousands trust Ghost for their virtual phone number
Why choose a 510 virtual phone number?
Look like a local buyer or seller
If you're posting listings or messaging buyers in Oakland or Hayward, a 510 number matches the area instead of showing up as an out-of-town code. That small detail builds trust faster with strangers online.
Keep your number after you move
People relocate out of the East Bay all the time but want to keep a 510 number for family, old friends, or business contacts who still recognize it. Ghost lets you hold onto that number no matter where you end up.
Dating that reads as local
A 510 number signals you're actually based near Oakland or Fremont, which matters on dating apps where people screen out numbers from far away.
Separate work from personal life
If you're job hunting or freelancing across Concord, Vallejo, or Santa Clara, a 510 number lets you hand out a work line without giving out your personal cell.
Moving into the East Bay
New to Oakland, Fremont, or Hayward? Getting a 510 number before you arrive means your contacts already look local from day one.
Recognized across the region
510 is familiar to anyone who's lived in or around Oakland, Sunnyvale, or Santa Clara, so calls and texts from that code don't get the cold shoulder that unfamiliar codes sometimes do.
How to get a 510 phone number
- 1
Pick your area code
Choose any 510 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 510 NumberAbout the 510 area code
Area code
510
State
California
Overlay codes
408, 650, 669, 831, 916
Cities served
12+
The 510 area code serves San Jose, Oakland, Fremont, Hayward, Sunnyvale, Santa Clara, Concord, and Vallejo, covering a wide stretch of the East Bay and reaching into parts of the South Bay.
510 stands on its own without an overlay code layered on top of it. Nearby regions use their own codes, including 408 and 669 around San Jose, 650 for the Peninsula, 831 toward Monterey, and 916 up in the Sacramento area.
The entire region runs on Pacific time, so a 510 number keeps your calls and texts aligned with the rest of California and the West Coast without any timezone math.
Coverage from public numbering and census data. Sources
Local economy
Why do business in Oakland?
The 510 area code sits across a major stretch of the East Bay and South Bay, home to a mix of established industries and growing job markets.
Logistics and shipping
Oakland's port and the surrounding freight and distribution networks keep goods moving through the East Bay and beyond.
Healthcare
Hospitals and clinics across Oakland, Fremont, and Hayward support a large regional patient base and employ workers across the area.
Education
Public and higher education institutions throughout the East Bay and South Bay cities served by 510 anchor steady local employment.
Frequently asked questions
How fast can I get a 510 phone number?
You can pick a 510 number in the Ghost app and start calling and texting with it in minutes. There's no waiting on paperwork or a new SIM.
Which cities use the 510 area code?
510 covers San Jose, Oakland, Fremont, Hayward, Sunnyvale, Santa Clara, Concord, and Vallejo.
Can I keep my 510 number if I move away from the East Bay?
Yes. Your 510 number stays with you in the Ghost app no matter where you relocate, so contacts who know that code can still reach you the same way.
How much does Ghost 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 510 number?
Pick a 510 (or 408, 650, 669, 831, 916) number and start calling and texting in minutes.
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