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840 Area Code - Location, Time Zone. Toll Free? Scam? Who's Calling?

State California
Timezone Pacific Time (PT)
Is Area Code 840 Toll Free? No
Major Cities Los Angeles County, San Bernardino County

Receiving a call from a new area code is quite worrisome. Questions like "Where is it coming from?", "Should I answer the call?", "Who's calling?" pops up into your mind. The area code 840 is a unique code developed for a specific location. If you want to know more about this area code, below are some commonly asked questions about area code 840...

What is 840 number and where is it coming from?

The 840 number is one of the telephone area code in the North American Numbering Plan (NANP) and is used across North America. It is an overlay for the area code 909. It was approved by the California Public Utilities Commission on July 23, 2019.

Calls from this number could be coming from the state of California and the cities it covers.

Where is area code 840?

As it was mentioned previously, area code 840 is located in the state of California and serves its cities such as Los Angeles County, San Bernardino County, Chino, Chino Hills, Redlands, Fontana, Colton, Yucaipa, San Dimas, Upland, Colton, La Verne, Montclair, Ontario, Rancho Cucamonga, Rialto, Diamond Bar, and Rialto.

Are calls from 840 area code a scam?

Since scammers exist everywhere today, there is a possibility that a call from 840 area code could be a scam, or not. There are a large number of 840 numbers used including in businesses and companies. This also gives the scammers the opportunity to use an 840 number and claims that they are calling from a company's customer service team.

If you encounter this kind of call, remember the company's name that was mentioned and look it up on the internet to see whether the number calling is from the company. If you do not find the number, hang up the call and block the number immediately, for there are calls that will charge you just by answering it.

How do I block unwanted calls from 840 numbers?

If you want to stop receiving unwanted calls from 840 numbers, here's how you can block them from your mobile devices:

iPhone user;

  • Go to your recent calls, and click the "i" on the upper right side of your phone's screen.
  • Scroll to the bottom and click "block this caller".

Android user;

The steps are quite similar to the iPhone users,

  • Go to your recent calls and click "details"
  • Click "block number" for the last step.

Are calls from 840 numbers toll free?

Calls from 840 numbers are not toll free. Charges applies to both international and local calls. The cost of the charge may vary on the company where you acquired your cellular mobile, paging services, and other wireless communications services.


You can never determine when or how you can encounter with a scammer. It is important to remember that always check the legitimacy of the number used for calling before you could give more information about yourself.



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