Area code 909 is the code for the east part of Los Angeles and the southwestern part of San Bernardino county. The area code is assigned by the North American numbering plan for the U.S state of California.
History:
In 1992, 909 was formed after the split of area code 714. By 1993, it was necessary to dial the area code; the western riverside country split from 909 into 951. In 2004, 909 was still covering small areas like corona, riverside, Moreno valley, and the entire city of Calimesa which is included in the riverside country.
When 951 split from 909 there was an overlay of a new area code 752 was planned. But the plan was rejected as it was unnecessary but in 2019 the California Public Utilities Commission approved a new overlay with another area code 840. And this was implemented in 2020. A new area code is assigned to new customers.
Location:
The area code is for the u.s states California and the major city under this area code in San Bernardino.

Timezone:
Pacific time zone is the timezone for this area code.
Countries included in area code:
COUNTRY | TOTAL POPULATION | % OF 909 | % OF COUNTRY |
Los Angeles | 9,818,605 | 11% | 3% |
San Bernardino | 2,035,210 | 86% | 6% |
Cities included in area code
CITY | TOTAL POPULATION | % OF 909 | % OF CITY |
San bernardino | 209,924 | 4% | 100% |
Fontana | 196,069 | 3% | 98% |
Rancho cucamonga | 165,269 | 3% | 100% |
Ontario | 163,924 | 3% | 100% |
Pomona | 149,058 | 2% | 98% |
Rialto | 99,171 | 2% | 100% |
Chino | 77,983 | 2% | 100% |
Upland | 73,732 | 1% | 100% |
Chino hills | 74,799 | 3% | 96% |
Redlands | 68,747 | 3% | 100% |
Diamond bar | 55,544 | 1% | 100% |
Highland | 53,104 | 1% | 100% |
Yucaipa | 51,367 | 2% | 100% |
Cotton | 52,154 | 1% | 96% |
Montclair | 36,664 | 0% | 100% |
Claremont | 34,926 | 1% | 100% |
La Verne | 31,063 | 1% | 100% |
San Dimas | 33,371 | 1% | 88% |
Walnut | 29,172 | !% | 84% |
Loma Linda | 23,261 | 1% | 100% |
Bloomington | 23,851 | 0% | 93% |
Lake arrowhead | 12,424 | 1% | 100% |
Big bear city | 12,304 | 2% | 100% |
Grand terrace | 12,040 | 0% | 100% |
Rowland heights | 48,993 | 0% | 23% |
Crestline | 10,770 | 1% | 100% |
Muscoy | 10,644 | 0% | 100% |
Mentone | 8,721 | 0% | 100% |
Calimesa | 7,876 | 1% | 100% |
Eastvale | 53,668 | 0% | 10% |
Big bear lake | 5,019 | 0% | 100% |
Running springs | 4,862 | 0% | 100% |
San Antonio heights | 3,371 | 0% | 100% |
Beaumont | 36,877 | 0% | 6% |
Highgrove | 3988 | 0% | 28% |
Lytle creek | 701 | 0% | 100% |
Oak glen | 628 | 1% | 100% |
Industry | 219 | 0% | 25% |
Frequently asked question:
What is the 909 area code and where is it from?
909 is the code for the east part of Los Angeles and the southwestern part of San Bernardino county. The area code is assigned by the North American numbering plan for the U.S state of California.
What is the timezone of area code 909?
Pacific time zone is the timezone for this area code.
What is the location of area code 909?
The area code is for the u.s states California and the major city under this area code in San Bernardino.
Area code 909 is a split from which area code?
In 1992, 909 was formed after the split of area code 714. By 1993, it was necessary to dial the area code; the western riverside country split from 909 into 951.
Conclusion:
909 is the code for the east part of Los Angeles and the southwestern part of San Bernardino county. The area code is assigned by the North American numbering plan for the U.S state of California. In 1992, 909 was formed after the split of area code 714. By 1993, it was necessary to dial the area code; the western riverside country split from 909 into 951. In 2004, 909 was still covering small areas like corona, riverside, Moreno valley, and the entire city of Calimesa which is included in the riverside country. The area code is for the u.s states California and the major city under this area code in San Bernardino. Pacific time zone is the timezone for this area code.
For more, you may also read: area code 858.