Prefix Information

The prefix 503 is part of area code 424 serving Santa Monica, California.

This exchange contains 10,000 possible phone numbers (424-503-0000 through 424-503-9999).

Browse Numbers in This Prefix

424-503-0000-0999 424-503-1000-1999 424-503-2000-2999 424-503-3000-3999 424-503-4000-4999 424-503-5000-5999 424-503-6000-6999 424-503-7000-7999 424-503-8000-8999 424-503-9000-9999

Sample Numbers

(424) 503-0000 (424) 503-1234 (424) 503-2000 (424) 503-3333 (424) 503-4444 (424) 503-5555 (424) 503-6000 (424) 503-7777 (424) 503-8888 (424) 503-9999