Prefix Information

The prefix 203 is part of area code 423 serving Chattanooga, Tennessee.

This exchange contains 10,000 possible phone numbers (423-203-0000 through 423-203-9999).

Browse Numbers in This Prefix

423-203-0000-0999 423-203-1000-1999 423-203-2000-2999 423-203-3000-3999 423-203-4000-4999 423-203-5000-5999 423-203-6000-6999 423-203-7000-7999 423-203-8000-8999 423-203-9000-9999

Sample Numbers

(423) 203-0000 (423) 203-1234 (423) 203-2000 (423) 203-3333 (423) 203-4444 (423) 203-5555 (423) 203-6000 (423) 203-7777 (423) 203-8888 (423) 203-9999