Prefix Information

The prefix 257 is part of area code 512 serving Austin, Texas.

This exchange contains 10,000 possible phone numbers (512-257-0000 through 512-257-9999).

Browse Numbers in This Prefix

512-257-0000-0999 512-257-1000-1999 512-257-2000-2999 512-257-3000-3999 512-257-4000-4999 512-257-5000-5999 512-257-6000-6999 512-257-7000-7999 512-257-8000-8999 512-257-9000-9999

Sample Numbers

(512) 257-0000 (512) 257-1234 (512) 257-2000 (512) 257-3333 (512) 257-4444 (512) 257-5555 (512) 257-6000 (512) 257-7777 (512) 257-8888 (512) 257-9999