Prefix Information

The prefix 306 is part of area code 503 serving Portland, Oregon.

This exchange contains 10,000 possible phone numbers (503-306-0000 through 503-306-9999).

Browse Numbers in This Prefix

503-306-0000-0999 503-306-1000-1999 503-306-2000-2999 503-306-3000-3999 503-306-4000-4999 503-306-5000-5999 503-306-6000-6999 503-306-7000-7999 503-306-8000-8999 503-306-9000-9999

Sample Numbers

(503) 306-0000 (503) 306-1234 (503) 306-2000 (503) 306-3333 (503) 306-4444 (503) 306-5555 (503) 306-6000 (503) 306-7777 (503) 306-8888 (503) 306-9999