Prefix Information

The prefix 131 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-131-0000 through 331-131-9999).

Browse Numbers in This Prefix

331-131-0000-0999 331-131-1000-1999 331-131-2000-2999 331-131-3000-3999 331-131-4000-4999 331-131-5000-5999 331-131-6000-6999 331-131-7000-7999 331-131-8000-8999 331-131-9000-9999

Sample Numbers

(331) 131-0000 (331) 131-1234 (331) 131-2000 (331) 131-3333 (331) 131-4444 (331) 131-5555 (331) 131-6000 (331) 131-7777 (331) 131-8888 (331) 131-9999