The bakersfield area code is 661, serving the major population centers and desert communities of Kern County, parts of northern Los Angeles County, and small portions of Ventura and Tulare counties. If you're calling businesses or residents in central California, understanding how this regional prefix works ensures your calls connect without trouble.
Established in February 1999 as a geographic split from the 805 area code, the 661 prefix covers over 8,000 square miles. Major cities within this numbering plan include Bakersfield, Santa Clarita, Palmdale, Lancaster, and Ridgecrest. Because the region spans sprawling agricultural valleys, mountain ranges, and high desert communities, knowing its geography and dialing rules is essential for both residents and business travelers.
Geography and Major Cities Covered by Area Code 661
The 661 code bridges the southern end of the Central Valley with the northern reaches of Los Angeles County. Its territory features distinct geographic zones, each with unique economic drivers ranging from aerospace manufacturing to oil extraction and farming.
Bakersfield itself anchors the northern portion of the region. As Kern County's seat and largest city, it relies on the 661 code for all landlines and mobile devices. North of Bakersfield, the coverage extends toward small agricultural towns like Delano and Shafter.
Moving south across the Tehachapi Mountains, the code encompasses sprawling high-desert suburbs in northern Los Angeles County, including Palmdale and Lancaster. These communities function as commuter hubs for the greater Los Angeles metropolitan area while maintaining distinct local economies tied to defense testing and aerospace engineering. The western boundary stretches toward Taft and Oildale, while eastern coverage reaches Ridgecrest near the China Lake Naval Air Weapons Station.
History and Origin of the 661 Prefix
Before 1999, the entire region shared the 805 area code with coastal counties like Ventura, Santa Barbara, and San Luis Obispo. By the late 1990s, rapid population growth in the Santa Clarita Valley and Bakersfield exhausted the supply of available seven-digit combinations under 805.
The North American Numbering Plan Administrator implemented a geographic split rather than an overlay. Coastal regions kept the 805 code, while inland Kern County and northern Los Angeles County suburbs transitioned to 661. This split separated communities of interest along natural geographic lines, keeping inland valley and desert economies under one unified code.
Dialing Rules and How to Call Numbers in 661
When calling local numbers within the 661 region, dialing mechanics depend on your device type and location.
For landline calls originating within the 661 zone, you can typically dial just the seven-digit local number. However, California's transition to mandatory ten-digit dialing for all local calls means that dialing 1-661 followed by the seven-digit subscriber number is standard practice for mobile phones and landlines alike.
When calling into the 661 area code from outside California, prefix the number with the country code and area code: +1 (661) XXX-XXXX. If you are calling an international destination from a 661 phone, dial 011 followed by the country code, city code, and local number.
Neighboring Area Codes and Regional Overlaps
Understanding surrounding area codes helps prevent misdirected calls when communicating across county lines:
- Area Code 805: Borders to the west and south, covering Ventura, Santa Barbara, and San Luis Obispo counties.
- Area Code 559: Borders to the north, covering Fresno, Visalia, and Hanford.
- Area Code 669 / 408: Located further north toward the San Francisco Bay Area.
- Area Code 213 / 323 / 818: Located further south into Los Angeles proper.
Frequently Asked Questions
What time zone is the 661 area code in?
The 661 area code operates in the Pacific Time Zone, observing Pacific Standard Time (PST) during the winter and Pacific Daylight Time (PDT) during the summer months.
Is 661 a toll-free area code?
No, 661 is a standard geographic, toll-calling area code assigned to specific physical regions in California. Calls to these numbers from outside the local calling zone incur standard long-distance charges depending on your carrier plan.
Can I get a 661 phone number virtually?
Yes, many VoIP providers and cloud communication services offer virtual 661 numbers, allowing businesses to establish a local presence in Bakersfield without maintaining a physical office there.
Which major military and research facilities use the 661 code?
The area code covers portions of Edwards Air Force Base and the Naval Air Weapons Station China Lake, both vital installations for aerospace testing and defense research.
