Prefix Information

The prefix 503 is part of area code 440 serving Parma, Ohio.

This exchange contains 10,000 possible phone numbers (440-503-0000 through 440-503-9999).

Browse Numbers in This Prefix

440-503-0000-0999 440-503-1000-1999 440-503-2000-2999 440-503-3000-3999 440-503-4000-4999 440-503-5000-5999 440-503-6000-6999 440-503-7000-7999 440-503-8000-8999 440-503-9000-9999

Sample Numbers

(440) 503-0000 (440) 503-1234 (440) 503-2000 (440) 503-3333 (440) 503-4444 (440) 503-5555 (440) 503-6000 (440) 503-7777 (440) 503-8888 (440) 503-9999