Prefix Information

The prefix 491 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-491-0000 through 331-491-9999).

Browse Numbers in This Prefix

331-491-0000-0999 331-491-1000-1999 331-491-2000-2999 331-491-3000-3999 331-491-4000-4999 331-491-5000-5999 331-491-6000-6999 331-491-7000-7999 331-491-8000-8999 331-491-9000-9999

Sample Numbers

(331) 491-0000 (331) 491-1234 (331) 491-2000 (331) 491-3333 (331) 491-4444 (331) 491-5555 (331) 491-6000 (331) 491-7777 (331) 491-8888 (331) 491-9999