Prefix Information

The prefix 504 is part of area code 909 serving County, California.

This exchange contains 10,000 possible phone numbers (909-504-0000 through 909-504-9999).

Browse Numbers in This Prefix

909-504-0000-0999 909-504-1000-1999 909-504-2000-2999 909-504-3000-3999 909-504-4000-4999 909-504-5000-5999 909-504-6000-6999 909-504-7000-7999 909-504-8000-8999 909-504-9000-9999

Sample Numbers

(909) 504-0000 (909) 504-1234 (909) 504-2000 (909) 504-3333 (909) 504-4444 (909) 504-5555 (909) 504-6000 (909) 504-7777 (909) 504-8888 (909) 504-9999