Prefix Information

The prefix 133 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-133-0000 through 331-133-9999).

Browse Numbers in This Prefix

331-133-0000-0999 331-133-1000-1999 331-133-2000-2999 331-133-3000-3999 331-133-4000-4999 331-133-5000-5999 331-133-6000-6999 331-133-7000-7999 331-133-8000-8999 331-133-9000-9999

Sample Numbers

(331) 133-0000 (331) 133-1234 (331) 133-2000 (331) 133-3333 (331) 133-4444 (331) 133-5555 (331) 133-6000 (331) 133-7777 (331) 133-8888 (331) 133-9999