909 Area Code

California, USA

Local time now · Pacific Time

12:45 AM

Area code 909 is in California, USA, serving Ontario, California, Pomona, Rialto and Upland. It uses Pacific Time — the time there now is 12:45 AM. 840 is an overlay for the same area, so local calls need 10-digit dialing. In service since 1992.

Area code	909
Location	California, USA
Major cities	Ontario, California, Pomona, Rialto, Upland, Eastvale, Highland, Diamond Bar, Yucaipa
Time zone	Pacific Time
Overlay codes	840
In service since	1992

Other area codes in California

209 213 279 310 323 341 350 357 369 408 415 424 442 510 530 559 562 619 626 628 650 657 661 669 707 714 738 747 760 805 818 820 831 837 858 916 925 949 951

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Frequently asked questions

Where is area code 909?

California, USA — including Ontario, California, Pomona, Rialto, Upland and Eastvale.

What time zone is area code 909?

Pacific Time.

How do I call a 909 number from abroad?

Dial your international access code, then 1 (the country code), then 909 and the 7-digit number — for example +1 909 555 0100. From the UK or India dial 00 1 909 …; from Bangladesh 00 1 909 … .

Is a call from 909 a scam?

Not by itself — 909 is an ordinary geographic area code in California. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.

Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.