Starting soon, new numbers will use the 357 area code.
The encouraging news is that you don't need to change your existing area code.
To make that possible, beginning February 26, customers with a 559 number will need to first dial a 1 then the area code for all calls.
That includes local calls within the same area code.
Starting March 26, new numbers may be assigned either the 357 or 559 area code.
559 numbers are projected to run out by September 2025.