Prefix Information

The prefix 523 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-523-0000 through 331-523-9999).

Browse Numbers in This Prefix

331-523-0000-0999 331-523-1000-1999 331-523-2000-2999 331-523-3000-3999 331-523-4000-4999 331-523-5000-5999 331-523-6000-6999 331-523-7000-7999 331-523-8000-8999 331-523-9000-9999

Sample Numbers

(331) 523-0000 (331) 523-1234 (331) 523-2000 (331) 523-3333 (331) 523-4444 (331) 523-5555 (331) 523-6000 (331) 523-7777 (331) 523-8888 (331) 523-9999