Prefix Information

The prefix 123 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-123-0000 through 331-123-9999).

Browse Numbers in This Prefix

331-123-0000-0999 331-123-1000-1999 331-123-2000-2999 331-123-3000-3999 331-123-4000-4999 331-123-5000-5999 331-123-6000-6999 331-123-7000-7999 331-123-8000-8999 331-123-9000-9999

Sample Numbers

(331) 123-0000 (331) 123-1234 (331) 123-2000 (331) 123-3333 (331) 123-4444 (331) 123-5555 (331) 123-6000 (331) 123-7777 (331) 123-8888 (331) 123-9999