Prefix Information
The prefix 390 is part of area code 503 serving Portland, Oregon.
This exchange contains 10,000 possible phone numbers (503-390-0000 through 503-390-9999).
Phone numbers with prefix 390 in area code 503. Location: Portland, Oregon.
The prefix 390 is part of area code 503 serving Portland, Oregon.
This exchange contains 10,000 possible phone numbers (503-390-0000 through 503-390-9999).