Prefix Information

The prefix 540 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-540-0000 through 331-540-9999).

Browse Numbers in This Prefix

331-540-0000-0999 331-540-1000-1999 331-540-2000-2999 331-540-3000-3999 331-540-4000-4999 331-540-5000-5999 331-540-6000-6999 331-540-7000-7999 331-540-8000-8999 331-540-9000-9999

Sample Numbers

(331) 540-0000 (331) 540-1234 (331) 540-2000 (331) 540-3333 (331) 540-4444 (331) 540-5555 (331) 540-6000 (331) 540-7777 (331) 540-8888 (331) 540-9999