CALIFORNIA · AREA CODE GUIDE
909 area code location: San Bernardino and Fontana, California
- Local date and time
- Pacific Time
Map data: UCLA Geoportal (2015) · NANPA · US Census Bureau, checked 26 September 2026. Boundaries are approximate.
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Download the 909 area code map
909 area code at a glance
- State
- California
- Primary cities
- San Bernardino, Fontana, and Ontario
- Established
- Time zone
- Pacific Time
- Parent code
- 714
- New code planned
- No, as of 22 September 2026
- Answering calls
- Rules for answering calls in California
An area code does not show where a caller is now.
History
- : 951 split from 909
- : 840 added as an overlay on 909
Counties and cities covered
These are telephone exchange areas, which follow the phone network rather than city limits.
Counties of the communities we could place (the code may reach further): Los Angeles County, Riverside County, and San Bernardino County.
- San Bernardino
- Fontana
- Ontario
- Pomona
- Rialto
- Chino
- Upland
- Redlands
- Highland
- Colton
- Diamond Bar
- Claremont
- Calimesa
- Big Bear Lake
- Arrowhead
- Big Bear City
- Crestline
- Etiwanda
- Marshall
- Mentone
- Running Springs
Sources: NANPA area code listing, NANPA places by area code, U.S. Census Bureau county geography. Checked .
Business phone numbers in area code 909, answered by an AI agent
A local number for San Bernardino, Fontana, and Ontario, California, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.