Prefix Information

The prefix 503 is part of area code 450 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (450-503-0000 through 450-503-9999).

Browse Numbers in This Prefix

450-503-0000-0999 450-503-1000-1999 450-503-2000-2999 450-503-3000-3999 450-503-4000-4999 450-503-5000-5999 450-503-6000-6999 450-503-7000-7999 450-503-8000-8999 450-503-9000-9999

Sample Numbers

(450) 503-0000 (450) 503-1234 (450) 503-2000 (450) 503-3333 (450) 503-4444 (450) 503-5555 (450) 503-6000 (450) 503-7777 (450) 503-8888 (450) 503-9999