Prefix Information
The prefix 340 is part of area code 458 serving Eugene, Oregon.
This exchange contains 10,000 possible phone numbers (458-340-0000 through 458-340-9999).
Phone numbers with prefix 340 in area code 458. Location: Eugene, Oregon.
The prefix 340 is part of area code 458 serving Eugene, Oregon.
This exchange contains 10,000 possible phone numbers (458-340-0000 through 458-340-9999).