Prefix Information

The prefix 478 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-478-0000 through 312-478-9999).

Browse Numbers in This Prefix

312-478-0000-0999 312-478-1000-1999 312-478-2000-2999 312-478-3000-3999 312-478-4000-4999 312-478-5000-5999 312-478-6000-6999 312-478-7000-7999 312-478-8000-8999 312-478-9000-9999

Sample Numbers

(312) 478-0000 (312) 478-1234 (312) 478-2000 (312) 478-3333 (312) 478-4444 (312) 478-5555 (312) 478-6000 (312) 478-7777 (312) 478-8888 (312) 478-9999