Prefix Information

The prefix 603 is part of area code 513 serving Cincinnati, Ohio.

This exchange contains 10,000 possible phone numbers (513-603-0000 through 513-603-9999).

Browse Numbers in This Prefix

513-603-0000-0999 513-603-1000-1999 513-603-2000-2999 513-603-3000-3999 513-603-4000-4999 513-603-5000-5999 513-603-6000-6999 513-603-7000-7999 513-603-8000-8999 513-603-9000-9999

Sample Numbers

(513) 603-0000 (513) 603-1234 (513) 603-2000 (513) 603-3333 (513) 603-4444 (513) 603-5555 (513) 603-6000 (513) 603-7777 (513) 603-8888 (513) 603-9999