Prefix Information
The prefix 166 is part of area code 224 serving Elgin, Illinois.
This exchange contains 10,000 possible phone numbers (224-166-0000 through 224-166-9999).
Phone numbers with prefix 166 in area code 224. Location: Elgin, Illinois.
The prefix 166 is part of area code 224 serving Elgin, Illinois.
This exchange contains 10,000 possible phone numbers (224-166-0000 through 224-166-9999).