Prefix Information

The prefix 257 is part of area code 669 serving San Jose, California.

This exchange contains 10,000 possible phone numbers (669-257-0000 through 669-257-9999).

Browse Numbers in This Prefix

669-257-0000-0999 669-257-1000-1999 669-257-2000-2999 669-257-3000-3999 669-257-4000-4999 669-257-5000-5999 669-257-6000-6999 669-257-7000-7999 669-257-8000-8999 669-257-9000-9999

Sample Numbers

(669) 257-0000 (669) 257-1234 (669) 257-2000 (669) 257-3333 (669) 257-4444 (669) 257-5555 (669) 257-6000 (669) 257-7777 (669) 257-8888 (669) 257-9999