Prefix Information

The prefix 400 is part of area code 503 serving Portland, Oregon.

This exchange contains 10,000 possible phone numbers (503-400-0000 through 503-400-9999).

Browse Numbers in This Prefix

503-400-0000-0999 503-400-1000-1999 503-400-2000-2999 503-400-3000-3999 503-400-4000-4999 503-400-5000-5999 503-400-6000-6999 503-400-7000-7999 503-400-8000-8999 503-400-9000-9999

Sample Numbers

(503) 400-0000 (503) 400-1234 (503) 400-2000 (503) 400-3333 (503) 400-4444 (503) 400-5555 (503) 400-6000 (503) 400-7777 (503) 400-8888 (503) 400-9999