Prefix Information

The prefix 503 is part of area code 305 serving Miami, Florida.

This exchange contains 10,000 possible phone numbers (305-503-0000 through 305-503-9999).

Browse Numbers in This Prefix

305-503-0000-0999 305-503-1000-1999 305-503-2000-2999 305-503-3000-3999 305-503-4000-4999 305-503-5000-5999 305-503-6000-6999 305-503-7000-7999 305-503-8000-8999 305-503-9000-9999

Sample Numbers

(305) 503-0000 (305) 503-1234 (305) 503-2000 (305) 503-3333 (305) 503-4444 (305) 503-5555 (305) 503-6000 (305) 503-7777 (305) 503-8888 (305) 503-9999