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California · Pacific Time

840 Area Code: San Bernardino, CA

The 840 area code covers San Bernardino, Ontario, Rancho Cucamonga and Pomona in California, on Pacific Time. Here is the current local time there, and whether you can legally place a solicitation call to a 840 number right now.

Current local time in the 840 area code

Current local time in the 840 area code

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Can you legally call a 840 number right now?

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DayLegal calling window in California
Sunday9:00 AM-9:00 PM
Monday9:00 AM-9:00 PM
Tuesday9:00 AM-9:00 PM
Wednesday9:00 AM-9:00 PM
Thursday9:00 AM-9:00 PM
Friday9:00 AM-9:00 PM
Saturday9:00 AM-9:00 PM

Windows shown are the stricter of the federal TCPA/TSR rule (8 a.m.-9 p.m. local) and California's own statute, in the called party's local time. Informational only, not legal advice. Check any number against the full TCPA calling hours calculator.

Area code 840 at a glance

StateCalifornia
Principal citySan Bernardino
Time zonePacific Time
Overlay codes909
Weekday calling window9:00 AM-9:00 PM local
CountryUnited States

Cities in the 840 area code

These are the main population centers 840 serves. Smaller towns across the same California region share the code.

  • San Bernardino
  • Ontario
  • Rancho Cucamonga
  • Pomona

Calling 840 numbers legally

California is stricter than federal law. California prohibits automated and solicitation calls before 9 a.m. or after 9 p.m. local time (Public Utilities Code § 2875): a 9 a.m. start, stricter than the federal 8 a.m. Because the window follows the called party's local time, a 840 number is governed by California rules no matter where you are dialing from.

Ringless voicemail sits under the same rules as a live call, which is why TCPA compliance matters before you drop to a list. To check a whole list rather than one code, the phone number formatter tags every number with its state so you can segment sends by time zone.

Other California area codes

909San Bernardino209Stockton213Los Angeles279Sacramento310Santa Monica323Los Angeles341Oakland350Concord408San Jose415San Francisco424Santa Monica442Oceanside

Or browse every US area code.

FAQ

840 area code questions

840 is a US telephone area code serving California, on Pacific Time. Its principal city is San Bernardino, and it also covers Ontario, Rancho Cucamonga and Pomona. It shares the same territory with overlay code 909.
Area code 840 is in the state of California. It serves San Bernardino, Ontario, Rancho Cucamonga and Pomona, and its principal city is San Bernardino.
The 840 area code is on Pacific Time (America/Los_Angeles). The panel above shows the current local time there, updated live.
It depends on the local time in California. California prohibits automated and solicitation calls before 9 a.m. or after 9 p.m. local time (Public Utilities Code § 2875): a 9 a.m. start, stricter than the federal 8 a.m. The live verdict above checks the current time against that window for you.
On weekdays, solicitation calls to California numbers are permitted 9:00 AM to 9:00 PM local time. Sunday hours are 9:00 AM to 9:00 PM.
Area code 840 shares its geography with area code 909. Overlay codes cover the same towns, which is why ten-digit dialing is required there: a 840 number and a 909 number can sit on the same street.
Not by itself. 840 is a legitimate California area code used by residents and businesses in San Bernardino and Ontario. Scammers do spoof caller ID to show a local area code, because people answer local numbers more often, so treat an unexpected call asking for payment or personal details with suspicion regardless of the prefix.

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