Prefix Information

The prefix 203 is part of area code 512 serving Austin, Texas.

This exchange contains 10,000 possible phone numbers (512-203-0000 through 512-203-9999).

Browse Numbers in This Prefix

512-203-0000-0999 512-203-1000-1999 512-203-2000-2999 512-203-3000-3999 512-203-4000-4999 512-203-5000-5999 512-203-6000-6999 512-203-7000-7999 512-203-8000-8999 512-203-9000-9999

Sample Numbers

(512) 203-0000 (512) 203-1234 (512) 203-2000 (512) 203-3333 (512) 203-4444 (512) 203-5555 (512) 203-6000 (512) 203-7777 (512) 203-8888 (512) 203-9999