Prefix Information

The prefix 203 is part of area code 408 serving San Jose, California.

This exchange contains 10,000 possible phone numbers (408-203-0000 through 408-203-9999).

Browse Numbers in This Prefix

408-203-0000-0999 408-203-1000-1999 408-203-2000-2999 408-203-3000-3999 408-203-4000-4999 408-203-5000-5999 408-203-6000-6999 408-203-7000-7999 408-203-8000-8999 408-203-9000-9999

Sample Numbers

(408) 203-0000 (408) 203-1234 (408) 203-2000 (408) 203-3333 (408) 203-4444 (408) 203-5555 (408) 203-6000 (408) 203-7777 (408) 203-8888 (408) 203-9999