Geographic area code
Area code 840
Serves San Bernardino and surrounding areas in California, United States.
- Local time 4:39 pm PDT
- Pacific · UTC-07:00
- Overlay of 909
Where is area code 840?
At a glance
RegionCalifornia
Main citySan Bernardino
Time zonePacific
TypeGeographic
Cities & townsSan Bernardino · Fontana · Ontario · Pomona · Rancho Cucamonga · Upland · Montclair · Chino
Overlays (same region, dial all 10 digits)840
Most-reported 840 numbers (30 days)
- No spam reported in this period.
Latest reports from 840
No reports yet. Be the first to report a number.
FAQ
Where is area code 840?
Area code 840 serves San Bernardino, Fontana, Ontario, Pomona in California (Pacific time). See the local time, map, overlays and the most-reported spam numbers in 840.
Is a call from 840 a scam?
The area code alone can’t tell you whether a call is safe, and caller ID is easy to fake. Look up the full number above to see its community reports, FTC complaints and risk score.
What time is it in area code 840?
It’s currently 4:39 pm (Pacific). Telemarketers may only call between 8am and 9pm local time.