Prefix Information

The prefix 278 is part of area code 415 serving San Francisco, California.

This exchange contains 10,000 possible phone numbers (415-278-0000 through 415-278-9999).

Browse Numbers in This Prefix

415-278-0000-0999 415-278-1000-1999 415-278-2000-2999 415-278-3000-3999 415-278-4000-4999 415-278-5000-5999 415-278-6000-6999 415-278-7000-7999 415-278-8000-8999 415-278-9000-9999

Sample Numbers

(415) 278-0000 (415) 278-1234 (415) 278-2000 (415) 278-3333 (415) 278-4444 (415) 278-5555 (415) 278-6000 (415) 278-7777 (415) 278-8888 (415) 278-9999