Prefix Information

The prefix 231 is part of area code 408 serving San Jose, California.

This exchange contains 10,000 possible phone numbers (408-231-0000 through 408-231-9999).

Browse Numbers in This Prefix

408-231-0000-0999 408-231-1000-1999 408-231-2000-2999 408-231-3000-3999 408-231-4000-4999 408-231-5000-5999 408-231-6000-6999 408-231-7000-7999 408-231-8000-8999 408-231-9000-9999

Sample Numbers

(408) 231-0000 (408) 231-1234 (408) 231-2000 (408) 231-3333 (408) 231-4444 (408) 231-5555 (408) 231-6000 (408) 231-7777 (408) 231-8888 (408) 231-9999