Prefix Information

The prefix 645 is part of area code 331 serving Aurora, Illinois.

This exchange contains 10,000 possible phone numbers (331-645-0000 through 331-645-9999).

Browse Numbers in This Prefix

331-645-0000-0999 331-645-1000-1999 331-645-2000-2999 331-645-3000-3999 331-645-4000-4999 331-645-5000-5999 331-645-6000-6999 331-645-7000-7999 331-645-8000-8999 331-645-9000-9999

Sample Numbers

(331) 645-0000 (331) 645-1234 (331) 645-2000 (331) 645-3333 (331) 645-4444 (331) 645-5555 (331) 645-6000 (331) 645-7777 (331) 645-8888 (331) 645-9999