Prefix Information

The prefix 407 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-407-0000 through 312-407-9999).

Browse Numbers in This Prefix

312-407-0000-0999 312-407-1000-1999 312-407-2000-2999 312-407-3000-3999 312-407-4000-4999 312-407-5000-5999 312-407-6000-6999 312-407-7000-7999 312-407-8000-8999 312-407-9000-9999

Sample Numbers

(312) 407-0000 (312) 407-1234 (312) 407-2000 (312) 407-3333 (312) 407-4444 (312) 407-5555 (312) 407-6000 (312) 407-7777 (312) 407-8888 (312) 407-9999