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, ...

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 ...

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 ...