Every US area code, explainedUnited States · +1
AREA CODE · CALIFORNIA

Area code 909

Area code 909 covers Ontario, California. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: California Major City: Ontario Pacific Time (PT) Overlay: 840/909
01 / WHERE IT IS

Where is area code 909?

Area code 909 is assigned to Ontario and the surrounding region in California. Calls to numbers that start with 909 are routed to this area.

Area code 909 shares its territory with 840. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

San Bernardino CountyLos Angeles CountyRiverside County

Line types

  • Mobile 34.35%
  • Landline 65.65%
02 / MAP

Area code 909 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Ontario

This area code is in the Pacific Time (PT) time zone.

Local timeOntario, CA--:--:--

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04 / HOW TO DIAL

How to call Ontario

WITHIN THE US909 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 909 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 909 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 909 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 909 555 0123
🇦🇺Australia0011 1 909 555 0123
🇯🇵Japan010 1 909 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 909

Share of the number blocks by carrier and line type.

Landline

Ziply Fiber
30%
AT&T
15%
Metro by T-Mobile
10%
Lumen Technologies
10%
Bandwidth
9%
Others
26%

Mobile

T-MOBILE USA
32%
AT&T Mobility
28%
Verizon Wireless
27%
USA Mobility
9%
33 Wireless
3%
Others
1%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 909

786 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(909) 200 Landline Fontana Metro by T-MobileMETROPCS NETWORKS, LLC
(909) 201 Landline Fontana DMR COMMUNICATIONSDMR COMMUNICATIONS INC. - CA
(909) 202 Mobile Fontana Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
(909) 203 Mobile Chino T-MOBILE USAT-MOBILE USA, INC.
(909) 204 Landline Upland Lumen TechnologiesLEVEL 3 TELECOM OF CALIFORNIA, LP - CA
(909) 205 Landline San Bernardino Metro by T-MobileMETROPCS NETWORKS, LLC
(909) 206 Mobile Mentone T-MOBILE USAT-MOBILE USA, INC.
(909) 207 Mobile Claremont-San Dimas USA MobilityUSA MOBILITY WIRELESS, INC.
(909) 208 Landline Ontario Metro by T-MobileMETROPCS NETWORKS, LLC
(909) 209 Mobile Riverside USA MobilityAMERICAN MESSAGING SERVICES, LLC

Showing 10 of 786 prefixes

07 / FAQ

Frequently asked questions about area code 909

Where is area code 909 used?
Area code 909 serves Ontario and the surrounding area in California, including San Bernardino County, Los Angeles County, Riverside County.
What city is area code 909 from?
The main city of area code 909 is Ontario, CA.
What time zone is area code 909 in?
Area code 909 is in the Pacific Time (PT) time zone (America/Los_Angeles).
Is 909 an overlay area code?
Yes. It shares its territory with 840. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 909 from the United States?
Dial the 10 digits: 909 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 909 number from another country?
Dial your country's exit code (or +), then 1, then 909 and the seven-digit number. From a mobile you can use +1 909 XXX XXXX.
Which carriers use area code 909?
Most landline blocks belong to Ziply Fiber and most mobile blocks to T-MOBILE USA. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 909 for landlines, mobiles or both?
Both. About 65.65% of the number blocks are landline, 34.35% mobile.
How do I save a 909 number in WhatsApp or my phone?
Save it in international format: +1 909 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 909?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

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