909 Area Code
Inland Empire East, California
Area code 909 is located in Inland Empire East, California. It covers San Bernardino, Fontana, and surrounding areas in the Pacific time zone (UTC-8). Administered by NANPA.
Where is area code 909?
Area code 909 is located in Inland Empire East, California. It covers San Bernardino, Fontana, and surrounding areas in the Pacific time zone (UTC-8).
Area code 909 is overlaid by area code 840. Both codes serve the same geographic region and require 10-digit dialing for local calls.
Cities Covered by Area Code 909
Area code 909 primarily serves the Inland Empire East area of California. The exact coverage includes San Bernardino, Fontana, and Ontario, along with surrounding communities and suburbs.
Time Zone
Pacific Time — UTC-8
Area code 909 operates in the Pacific Time Zone. When calling 909 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 909
Area code 909 was introduced in 1992 as a geographic area code serving Inland Empire East, California. As demand for phone numbers grew, overlay code 840 was added to the same region, requiring 10-digit dialing for local calls. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.