Prefix Information

The prefix 439 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-439-0000 through 312-439-9999).

Browse Numbers in This Prefix

312-439-0000-0999 312-439-1000-1999 312-439-2000-2999 312-439-3000-3999 312-439-4000-4999 312-439-5000-5999 312-439-6000-6999 312-439-7000-7999 312-439-8000-8999 312-439-9000-9999

Sample Numbers

(312) 439-0000 (312) 439-1234 (312) 439-2000 (312) 439-3333 (312) 439-4444 (312) 439-5555 (312) 439-6000 (312) 439-7777 (312) 439-8888 (312) 439-9999