Prefix Information

The prefix 856 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-856-0000 through 331-856-9999).

Browse Numbers in This Prefix

331-856-0000-0999 331-856-1000-1999 331-856-2000-2999 331-856-3000-3999 331-856-4000-4999 331-856-5000-5999 331-856-6000-6999 331-856-7000-7999 331-856-8000-8999 331-856-9000-9999

Sample Numbers

(331) 856-0000 (331) 856-1234 (331) 856-2000 (331) 856-3333 (331) 856-4444 (331) 856-5555 (331) 856-6000 (331) 856-7777 (331) 856-8888 (331) 856-9999