Prefix Information

The prefix 603 is part of area code 415 serving San Francisco, California.

This exchange contains 10,000 possible phone numbers (415-603-0000 through 415-603-9999).

Browse Numbers in This Prefix

415-603-0000-0999 415-603-1000-1999 415-603-2000-2999 415-603-3000-3999 415-603-4000-4999 415-603-5000-5999 415-603-6000-6999 415-603-7000-7999 415-603-8000-8999 415-603-9000-9999

Sample Numbers

(415) 603-0000 (415) 603-1234 (415) 603-2000 (415) 603-3333 (415) 603-4444 (415) 603-5555 (415) 603-6000 (415) 603-7777 (415) 603-8888 (415) 603-9999