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  5. Area Code 909

Where Is Area Code 909?

Area code 909 is found in the US state of California. Primarily servicing the city of San Bernardino (population: 242017), area code 909 covers 3 counties of California.

Located in the Pacific time zone, area code 909 is on the same time as Los Angeles, CA.

Area code 909 was brought into effect on November 14, 1992. 909 was split from the parent 714 area code.

Map of California with area code 909 highlighted

Counties in Area Code 909

  • Los Angeles,
  • Riverside,
  • San Bernardino.

Most Populous Cities in Area Code 909

City County City Population Time Zone
San Bernardino San Bernardino 242,017 PST
Fontana San Bernardino 226,685 PST
Ontario San Bernardino 170,635 PST
Rancho Cucamonga San Bernardino 169,181 PST
Pomona Los Angeles 156,504 PST
Rialto San Bernardino 103,803 PST
Chino San Bernardino 85,623 PST
Upland San Bernardino 78,849 PST
Chino Hills San Bernardino 76,490 PST
Redlands San Bernardino 75,365 PST
Colton San Bernardino 57,796 PST
Highland San Bernardino 56,167 PST
Yucaipa San Bernardino 53,806 PST
Diamond Bar Los Angeles 47,139 PST
Walnut Los Angeles 43,711 PST
Montclair San Bernardino 37,198 PST
Claremont Los Angeles 36,229 PST
La Verne Los Angeles 33,737 PST
San Dimas Los Angeles 33,605 PST
Bloomington San Bernardino 31,528 PST
Loma Linda San Bernardino 22,047 PST
Big Bear City San Bernardino 10,392 PST
Crestline San Bernardino 9,603 PST
Mentone San Bernardino 8,286 PST
Lake Arrowhead San Bernardino 8,185 PST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

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This page was last updated on July 3, 2015.