Prefix Information
The prefix 599 is part of area code 815 serving Rockford, Illinois.
This exchange contains 10,000 possible phone numbers (815-599-0000 through 815-599-9999).
Phone numbers with prefix 599 in area code 815. Location: Rockford, Illinois.
The prefix 599 is part of area code 815 serving Rockford, Illinois.
This exchange contains 10,000 possible phone numbers (815-599-0000 through 815-599-9999).