Prefix Information

The prefix 820 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-820-0000 through 331-820-9999).

Browse Numbers in This Prefix

331-820-0000-0999 331-820-1000-1999 331-820-2000-2999 331-820-3000-3999 331-820-4000-4999 331-820-5000-5999 331-820-6000-6999 331-820-7000-7999 331-820-8000-8999 331-820-9000-9999

Sample Numbers

(331) 820-0000 (331) 820-1234 (331) 820-2000 (331) 820-3333 (331) 820-4444 (331) 820-5555 (331) 820-6000 (331) 820-7777 (331) 820-8888 (331) 820-9999