Prefix Information

The prefix 312 is part of area code 415 serving San Francisco, California.

This exchange contains 10,000 possible phone numbers (415-312-0000 through 415-312-9999).

Browse Numbers in This Prefix

415-312-0000-0999 415-312-1000-1999 415-312-2000-2999 415-312-3000-3999 415-312-4000-4999 415-312-5000-5999 415-312-6000-6999 415-312-7000-7999 415-312-8000-8999 415-312-9000-9999

Sample Numbers

(415) 312-0000 (415) 312-1234 (415) 312-2000 (415) 312-3333 (415) 312-4444 (415) 312-5555 (415) 312-6000 (415) 312-7777 (415) 312-8888 (415) 312-9999