About The 209 Area Code
The 209 area code covers these major cities:
Stockton, Modesto, Merced, Tracy, Fresno, Manteca, Turlock, and more...
Along with those cities, these counties are also mostly covered:
San Joaquin, Stanislaus, Merced, Fresno, Tuolumne, Calaveras, Amador, and more...