Prefix Information
The prefix 231 is part of area code 541 serving Eugene, Oregon.
This exchange contains 10,000 possible phone numbers (541-231-0000 through 541-231-9999).
Phone numbers with prefix 231 in area code 541. Location: Eugene, Oregon.
The prefix 231 is part of area code 541 serving Eugene, Oregon.
This exchange contains 10,000 possible phone numbers (541-231-0000 through 541-231-9999).