The California Public Utilities Commission is adding a new 357 area code as an overlay to the 559 area code region, which includes all or parts of Fresno, Kings, Madera, Mariposa, Merced and Tulare ...
A new area code will be added as an overlay to the Valley region starting March 26, 2025, according to the California Public Utilities Commission. The new 357 area code will serve the same geographic ...
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