661 Area Code: Cities, Time Zone and Zip Codes
What area code is 661? The area code 661 is in California and it serves Bakersfield, Santa Clarita, Lancaster, Palmdale, Delano, Oildale, Wasco, Arvin, Castaic, Rosamond, and some other surrounding cities. Area code 661 was created from area code 805 on February 12, 1998, and was first put to use on February 13, 1999.