The Chicago region’s supply of phone numbers is showing remarkable longevity, defying phone industry predictions that available numbers within the 847 area code would soon run out, the Illinois ...

CHICAGO (AP) -- State regulators voted Thursday to free up several blocks of phone numbers in the 847 area code, delaying a new code for the region for at least a few months. The Illinois Commerce ...

Students returning to campus for Winter Quarter were greeted with an important change to their phone service: four extra digits are now required to make off-campus calls, even if the calls are made ...

SPRINGFIELD, Ill. (AP) -- A new area code is coming to the Chicago suburbs, and state regulators said Wednesday they are helpless to stop it. A 224 area code will be added to the territory northwest ...