Prefix Information

The prefix 903 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-903-0000 through 331-903-9999).

Browse Numbers in This Prefix

331-903-0000-0999 331-903-1000-1999 331-903-2000-2999 331-903-3000-3999 331-903-4000-4999 331-903-5000-5999 331-903-6000-6999 331-903-7000-7999 331-903-8000-8999 331-903-9000-9999

Sample Numbers

(331) 903-0000 (331) 903-1234 (331) 903-2000 (331) 903-3333 (331) 903-4444 (331) 903-5555 (331) 903-6000 (331) 903-7777 (331) 903-8888 (331) 903-9999