Prefix Information

The prefix 004 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-004-0000 through 331-004-9999).

Browse Numbers in This Prefix

331-004-0000-0999 331-004-1000-1999 331-004-2000-2999 331-004-3000-3999 331-004-4000-4999 331-004-5000-5999 331-004-6000-6999 331-004-7000-7999 331-004-8000-8999 331-004-9000-9999

Sample Numbers

(331) 004-0000 (331) 004-1234 (331) 004-2000 (331) 004-3333 (331) 004-4444 (331) 004-5555 (331) 004-6000 (331) 004-7777 (331) 004-8888 (331) 004-9999