Prefix Information

The prefix 303 is part of area code 415 serving San Francisco, California.

This exchange contains 10,000 possible phone numbers (415-303-0000 through 415-303-9999).

Browse Numbers in This Prefix

415-303-0000-0999 415-303-1000-1999 415-303-2000-2999 415-303-3000-3999 415-303-4000-4999 415-303-5000-5999 415-303-6000-6999 415-303-7000-7999 415-303-8000-8999 415-303-9000-9999

Sample Numbers

(415) 303-0000 (415) 303-1234 (415) 303-2000 (415) 303-3333 (415) 303-4444 (415) 303-5555 (415) 303-6000 (415) 303-7777 (415) 303-8888 (415) 303-9999