Prefix Information

The prefix 503 is part of area code 256 serving Huntsville, Alabama.

This exchange contains 10,000 possible phone numbers (256-503-0000 through 256-503-9999).

Browse Numbers in This Prefix

256-503-0000-0999 256-503-1000-1999 256-503-2000-2999 256-503-3000-3999 256-503-4000-4999 256-503-5000-5999 256-503-6000-6999 256-503-7000-7999 256-503-8000-8999 256-503-9000-9999

Sample Numbers

(256) 503-0000 (256) 503-1234 (256) 503-2000 (256) 503-3333 (256) 503-4444 (256) 503-5555 (256) 503-6000 (256) 503-7777 (256) 503-8888 (256) 503-9999