Area code 840
840 is San Bernardino, Fontana, Rancho Cucamonga, California.
Area code 840 at a glance
- State
- California
- Main cities
- San Bernardino, Fontana, Rancho Cucamonga, Ontario, Pomona, Chino, Upland
- Time zone
- Pacific Time
- Local time now
- --:--:--
- Overlay codes
- 909
- In service since
- 2021
909 covers the exact same area as 840 — both are dialed with all 10 digits.
Get a 840 number
Rent a real 840 number and receive calls and text messages on it from anywhere. Calls ring in your browser, and voicemail is transcribed automatically.
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Available now
- +1 840 837 9007
- +1 840 837 9165
- +1 840 688 9097
- +1 840 799 8037
- +1 840 837 9192
Call a 840 number from abroad
Call any 840 number from your browser — no SIM, no app install, and no international roaming charge.
Calls to United States start at $0.02/min from QuikRing.
Call now in your browserCalling 840 from inside the US or Canada
Dial 1, then 840, then the 7-digit number.
Calling a 840 number or a 1-800 number from outside the US or Canada? Here is how to reach it from abroad.
Frequently asked questions
Where is area code 840?
Area code 840 covers San Bernardino, Fontana, Rancho Cucamonga in California.
What time is it in area code 840?
Area code 840 is in the Pacific Time time zone. See the live clock above for the current local time.
Is 909 the same area as 840?
Yes. 909 is an overlay of 840 — they cover the exact same area, so every call there needs all 10 digits dialed.
How do I get an area code 840 phone number?
Sign up for QuikRing and rent one of the available 840 numbers shown above. It starts working immediately and can receive real calls and text messages.
How much does it cost to call 840 from abroad?
Calls to United States numbers, including area code 840, start at $0.02/min with QuikRing — no roaming plan or SIM needed.