Prefix Information

The prefix 861 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-861-0000 through 331-861-9999).

Browse Numbers in This Prefix

331-861-0000-0999 331-861-1000-1999 331-861-2000-2999 331-861-3000-3999 331-861-4000-4999 331-861-5000-5999 331-861-6000-6999 331-861-7000-7999 331-861-8000-8999 331-861-9000-9999

Sample Numbers

(331) 861-0000 (331) 861-1234 (331) 861-2000 (331) 861-3333 (331) 861-4444 (331) 861-5555 (331) 861-6000 (331) 861-7777 (331) 861-8888 (331) 861-9999