Prefix Information
The prefix 400 is part of area code 812 serving Evansville, Indiana.
This exchange contains 10,000 possible phone numbers (812-400-0000 through 812-400-9999).
Phone numbers with prefix 400 in area code 812. Location: Evansville, Indiana.
The prefix 400 is part of area code 812 serving Evansville, Indiana.
This exchange contains 10,000 possible phone numbers (812-400-0000 through 812-400-9999).