Area code 661, Telephone prefix in California, United States
Area code 661 is a telephone prefix in southern California connecting communities between the San Joaquin Valley and Antelope Valley. The region includes urban centers such as Bakersfield and Lancaster along with smaller towns across the Santa Clarita area.
The prefix was created in February 1999 when the North American numbering authority split it from area code 805. The division happened because of growing demand for telephone numbers in the affected counties.
The telephone prefix zone covers diverse communities ranging from agricultural centers in the San Joaquin Valley to aerospace development areas in Antelope Valley.
Calls within the prefix zone require the seven-digit number without an additional prefix. All telephones in the territory follow Pacific time zone hours for business and personal contacts.
This telecommunications zone stretches across different geographical terrains, from urban developments to mountain ranges, covering parts of five California counties.
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