Prefix Information

The prefix 100 is part of area code 415 serving San Francisco, California.

This exchange contains 10,000 possible phone numbers (415-100-0000 through 415-100-9999).

Browse Numbers in This Prefix

415-100-0000-0999 415-100-1000-1999 415-100-2000-2999 415-100-3000-3999 415-100-4000-4999 415-100-5000-5999 415-100-6000-6999 415-100-7000-7999 415-100-8000-8999 415-100-9000-9999

Sample Numbers

(415) 100-0000 (415) 100-1234 (415) 100-2000 (415) 100-3333 (415) 100-4444 (415) 100-5555 (415) 100-6000 (415) 100-7777 (415) 100-8888 (415) 100-9999