Prefix Information
The prefix 042 is part of area code 773 serving Chicago, Illinois.
This exchange contains 10,000 possible phone numbers (773-042-0000 through 773-042-9999).
Phone numbers with prefix 042 in area code 773. Location: Chicago, Illinois.
The prefix 042 is part of area code 773 serving Chicago, Illinois.
This exchange contains 10,000 possible phone numbers (773-042-0000 through 773-042-9999).