Prefix Information

The prefix 603 is part of area code 305 serving Miami, Florida.

This exchange contains 10,000 possible phone numbers (305-603-0000 through 305-603-9999).

Browse Numbers in This Prefix

305-603-0000-0999 305-603-1000-1999 305-603-2000-2999 305-603-3000-3999 305-603-4000-4999 305-603-5000-5999 305-603-6000-6999 305-603-7000-7999 305-603-8000-8999 305-603-9000-9999

Sample Numbers

(305) 603-0000 (305) 603-1234 (305) 603-2000 (305) 603-3333 (305) 603-4444 (305) 603-5555 (305) 603-6000 (305) 603-7777 (305) 603-8888 (305) 603-9999