Area code 559
Area code 559 is a California telephone area code that was split from area code 209 on November 14, 1998.
It covers the central San Joaquin Valley in central California, serving the counties of Fresno, Madera, Kings, and Tulare—an area largely coextensive with the Fresno and Visalia-Porterville metropolitan areas.
The 559 area code serves the Central California counties of Fresno, Madera, Kings, and Tulare.
The major cities within the 559 area code region are Fresno, Coalinga, Clovis, Madera, Sanger, Reedley, Dinuba, Selma, Tulare, Visalia, Hanford, Lemoore, Porterville, Avenal, and Kingsburg, Caruthers
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