A local number. A little more freedom.
Get a 650
phone number.
A local number for San Mateo, CA. Call and text over WiFi or mobile data, on the phone you already have.
- Calls and texts
- No extra SIM
- Location
- San Mateo, California
- Time zone
- Pacific (GMT -8)
Where is area code 650 located?
Area code 650 is a California area code, serving San Mateo, CA and nearby cities including San Francisco, Daly City, Redwood City. It is in the Pacific (GMT -8) time zone.
Who is calling from area code 650?
A 650 call comes from a number assigned to the San Mateo, CA area, which can be a mobile, a landline or an app-based number like AvoCall's. Caller ID can be faked from any area code, so if you don't know the number, let it go to voicemail and never share a code you didn't ask for.
How do I get a 650 phone number?
Pick an available 650 number and sign up for AvoCall. Your new San Mateo, CA number works for calls and texts on your existing phone over WiFi or data. No second SIM is needed. Right now 20 numbers in the 650 area code are available on this page (checked October 11, 2026 at 8:43 AM UTC).
Find one that feels like yours
Choose a 650 number
20 numbers listed · Checked October 11, 2026 at 8:43 AM UTC.
- (650) 942-0947Millbrae, CA
- (650) 459-7248Halfmoon Bay, CA
- (650) 860-1747Pescadero, CA
- (650) 459-9907Halfmoon Bay, CA
- (650) 632-9123San Carlos-Belmont, CA
- (650) 632-9085San Carlos-Belmont, CA
- (650) 662-4135La Honda, CA
- (650) 509-3579Palo Alto, CA
- (650) 610-2837San Carlos-Belmont, CA
- (650) 582-0543Mountain View, CA
- (650) 582-0329Mountain View, CA
- (650) 487-8404La Honda, CA
- (650) 535-8223Moss Beach, CA
- (650) 487-8857La Honda, CA
- (650) 912-1714Halfmoon Bay, CA
- (650) 942-0161Millbrae, CA
- (650) 487-8049La Honda, CA
- (650) 536-0730San Francisco, CA
- (650) 530-1220Woodside, CA
- (650) 487-8833La Honda, CA
Every number requires an AvoCall plan. Current web pricing is verified at checkout, and number availability changes often.
About the 650 area code
Area code 650 serves a string of California cities including San Mateo, Redwood City, South San Francisco, San Bruno, and Pacifica, all of them on Pacific time.
The code was divided off from area code 415 in 1997 and has kept the same borders ever since. It stands alone on its territory, with no overlay accompanying it and no later split reducing it.
Dialing note: 650 was carved out of the 415 territory and went into service in 1997.
Numbering details on this page (service dates and overlay status) are checked against the NANPA numbering registry. Registry data as of 10/08/2026.
650 phone number FAQ
- Can I receive verification codes on a 650 number?
- AvoCall 650 numbers support calling and messaging. Verification-text compatibility varies by sender; short-code and 2FA delivery is not guaranteed.
- Which 650 numbers are available right now?
- As of October 11, 2026 at 8:43 AM UTC, 20 650 numbers were available to claim on this page. Inventory is re-checked hourly and changes as numbers are claimed, and availability is confirmed at checkout. See the current list.