Prefix Information

The prefix 100 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-100-0000 through 331-100-9999).

Browse Numbers in This Prefix

331-100-0000-0999 331-100-1000-1999 331-100-2000-2999 331-100-3000-3999 331-100-4000-4999 331-100-5000-5999 331-100-6000-6999 331-100-7000-7999 331-100-8000-8999 331-100-9000-9999

Sample Numbers

(331) 100-0000 (331) 100-1234 (331) 100-2000 (331) 100-3333 (331) 100-4444 (331) 100-5555 (331) 100-6000 (331) 100-7777 (331) 100-8888 (331) 100-9999