Prefix Information

The prefix 604 is part of area code 909 serving County, California.

This exchange contains 10,000 possible phone numbers (909-604-0000 through 909-604-9999).

Browse Numbers in This Prefix

909-604-0000-0999 909-604-1000-1999 909-604-2000-2999 909-604-3000-3999 909-604-4000-4999 909-604-5000-5999 909-604-6000-6999 909-604-7000-7999 909-604-8000-8999 909-604-9000-9999

Sample Numbers

(909) 604-0000 (909) 604-1234 (909) 604-2000 (909) 604-3333 (909) 604-4444 (909) 604-5555 (909) 604-6000 (909) 604-7777 (909) 604-8888 (909) 604-9999