A large swath of west suburban Chicago will dial an extra four digits to make local phone calls when state regulators add a second area code this fall. The 630 area code was “exhausted” at the end of ...

For anyone who did not try calling into the west suburbs Sunday, or who tried to call and failed and is still wondering what is going on: The grace period is over. Telephone numbers in DuPage County, ...

CHICAGO (CBS)-- Get ready, south suburbs – you're getting a new area code. When 708 numbers run out, 464 phone numbers will be issued. This is not expected until January. The 708 area code has been a ...