Prefix Information

The prefix 378 is part of area code 408 serving San Jose, California.

This exchange contains 10,000 possible phone numbers (408-378-0000 through 408-378-9999).

Browse Numbers in This Prefix

408-378-0000-0999 408-378-1000-1999 408-378-2000-2999 408-378-3000-3999 408-378-4000-4999 408-378-5000-5999 408-378-6000-6999 408-378-7000-7999 408-378-8000-8999 408-378-9000-9999

Sample Numbers

(408) 378-0000 (408) 378-1234 (408) 378-2000 (408) 378-3333 (408) 378-4444 (408) 378-5555 (408) 378-6000 (408) 378-7777 (408) 378-8888 (408) 378-9999