Prefix Information
The prefix 311 is part of area code 812 serving Evansville, Indiana.
This exchange contains 10,000 possible phone numbers (812-311-0000 through 812-311-9999).
Phone numbers with prefix 311 in area code 812. Location: Evansville, Indiana.
The prefix 311 is part of area code 812 serving Evansville, Indiana.
This exchange contains 10,000 possible phone numbers (812-311-0000 through 812-311-9999).