Prefix Information

The prefix 256 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-256-0000 through 331-256-9999).

Browse Numbers in This Prefix

331-256-0000-0999 331-256-1000-1999 331-256-2000-2999 331-256-3000-3999 331-256-4000-4999 331-256-5000-5999 331-256-6000-6999 331-256-7000-7999 331-256-8000-8999 331-256-9000-9999

Sample Numbers

(331) 256-0000 (331) 256-1234 (331) 256-2000 (331) 256-3333 (331) 256-4444 (331) 256-5555 (331) 256-6000 (331) 256-7777 (331) 256-8888 (331) 256-9999