Prefix Information
The prefix 831 is part of area code 812 serving Evansville, Indiana.
This exchange contains 10,000 possible phone numbers (812-831-0000 through 812-831-9999).
Phone numbers with prefix 831 in area code 812. Location: Evansville, Indiana.
The prefix 831 is part of area code 812 serving Evansville, Indiana.
This exchange contains 10,000 possible phone numbers (812-831-0000 through 812-831-9999).