Prefix Information

The prefix 603 is part of area code 707 serving Santa Rosa, California.

This exchange contains 10,000 possible phone numbers (707-603-0000 through 707-603-9999).

Browse Numbers in This Prefix

707-603-0000-0999 707-603-1000-1999 707-603-2000-2999 707-603-3000-3999 707-603-4000-4999 707-603-5000-5999 707-603-6000-6999 707-603-7000-7999 707-603-8000-8999 707-603-9000-9999

Sample Numbers

(707) 603-0000 (707) 603-1234 (707) 603-2000 (707) 603-3333 (707) 603-4444 (707) 603-5555 (707) 603-6000 (707) 603-7777 (707) 603-8888 (707) 603-9999