Prefix Information

The prefix 428 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-428-0000 through 331-428-9999).

Browse Numbers in This Prefix

331-428-0000-0999 331-428-1000-1999 331-428-2000-2999 331-428-3000-3999 331-428-4000-4999 331-428-5000-5999 331-428-6000-6999 331-428-7000-7999 331-428-8000-8999 331-428-9000-9999

Sample Numbers

(331) 428-0000 (331) 428-1234 (331) 428-2000 (331) 428-3333 (331) 428-4444 (331) 428-5555 (331) 428-6000 (331) 428-7777 (331) 428-8888 (331) 428-9999