Prefix Information

The prefix 664 is part of area code 858 serving San Diego, California.

This exchange contains 10,000 possible phone numbers (858-664-0000 through 858-664-9999).

Browse Numbers in This Prefix

858-664-0000-0999 858-664-1000-1999 858-664-2000-2999 858-664-3000-3999 858-664-4000-4999 858-664-5000-5999 858-664-6000-6999 858-664-7000-7999 858-664-8000-8999 858-664-9000-9999

Sample Numbers

(858) 664-0000 (858) 664-1234 (858) 664-2000 (858) 664-3333 (858) 664-4444 (858) 664-5555 (858) 664-6000 (858) 664-7777 (858) 664-8888 (858) 664-9999