650 area code: location, time zone and numbers
In the US, area code 650 is a telephone area code for San Francisco, California, and it has been in service since 1997.
- Location
- San Francisco, California
- Service start
- 1997
- Time zone in use
- Pacific time
- Overlay
- None: the only code covering its area
- Calls inside the area
- Dial with 1, then a 10-digit number
- Rate centres list
- 15
- Projected exhaustion
- 2039
- Country calling prefix
- +1 (United States)
Source: NANPA public reports, the area code report and the rate-centre report, file dated 11/01/2026; for the exhaust year, see the NANPA projections 2026-1 (April 2026). We are not an official NANPA site.
Get hold of a 650 number
A 650 number can be had in two ways. With its plan, a provider assigns a new number, picked when you sign up from the numbers it already has in the code. A seller advertises numbers it already owns, often with a pattern, at a one-time price; you later transfer the number to a provider.
Providers ranked by first-year cost
| Provider | Cheapest plan | First year | Link |
|---|---|---|---|
 Free app | Basic (Just for me), free | $0 | Open Google Voice |
 Free app | Free plan, free | $0 | Open TextNow |
 Developer API | Pay-as-you-go local number, $1.15 a month | $13.80 | Open Twilio |
 Second-number app | Standard, $3.99 a month billed yearly | $47.99 | Open Burner |
 Toll-free specialist | Solo, $6.99 a month billed yearly | $84 | Open UniTel Voice |
 Second-number app | Deluxe (local number), $6.99 a month billed yearly | $102.88 | Open GoDaddy Conversations (formerly Smartline) |
Sellers posting local numbers
| Seller | What it sells | Listed price | Monthly fee | Link |
|---|---|---|---|---|
 Marketplace | Local numbers | From $9 one-time | None stated | Search at Exclusive Digits |
 Marketplace | Local and toll-free | From $9.95 one-time | $2.99 a month | Search at NumberBarn |
 Number broker | Local and toll-free | From $99 one-time | None stated | Search at RingBoost |
 Number broker | Local and toll-free | From $100 one-time | None stated | Search at PhoneNumberExpert |
| 212areacode.comNumber broker | Local numbers | From $150 one-time | None stated | Search at 212areacode.com |
Some sellers and providers may pay us a referral fee. That never affects the ranking, and the ranking follows first-year cost. How we make money
Places in the 650 area code
For 650, NANPA lists 15 rate centres. Each one is a local calling area where numbers get assigned:
Half Moon Bay, La Honda, Los Altos, Millbrae, Moss Beach, Mountain View, Pacifica, Palo Alto, Pescadero, Redwood City, San Mateo, San Carlos-belmont, San Francisco:juniper Da, South San Francisco, Woodside.
Area codes related to this one
213, 415, 916, 714, 805, 209, 408, 707, 619, 818, 510, 310, 909, 562, 760, 626, 530, 925, 949, 323, 831, 559, 661, 858, 951, 424, 657, 747, 442, 669, 628, 279, 820, 341, 840, 350, 369, 738, 837 and 357: these are the other area codes in California.
City guides: area codes for San Francisco.
650 area code questions
Which area does area code 650 cover?
Calls with 650 ring in San Francisco, California, around San Francisco-Oakland-Fremont, CA.
Which country code does a 650 number use?
+1. The North American Numbering Plan covers 650, so from abroad you dial +1 650 plus the 7-digit number.
What time is it in the 650 area code?
The time in 650 is Pacific time.
Who places calls from a 650 number?
Homes, mobiles and local businesses all use this code, and so do callers faking a local number. What a 650 number shows on your screen is where the number was assigned. It does not tell you who is calling.