Prefix Information

The prefix 390 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-390-0000 through 312-390-9999).

Browse Numbers in This Prefix

312-390-0000-0999 312-390-1000-1999 312-390-2000-2999 312-390-3000-3999 312-390-4000-4999 312-390-5000-5999 312-390-6000-6999 312-390-7000-7999 312-390-8000-8999 312-390-9000-9999

Sample Numbers

(312) 390-0000 (312) 390-1234 (312) 390-2000 (312) 390-3333 (312) 390-4444 (312) 390-5555 (312) 390-6000 (312) 390-7777 (312) 390-8888 (312) 390-9999