Prefix Information

The prefix 387 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-387-0000 through 312-387-9999).

Browse Numbers in This Prefix

312-387-0000-0999 312-387-1000-1999 312-387-2000-2999 312-387-3000-3999 312-387-4000-4999 312-387-5000-5999 312-387-6000-6999 312-387-7000-7999 312-387-8000-8999 312-387-9000-9999

Sample Numbers

(312) 387-0000 (312) 387-1234 (312) 387-2000 (312) 387-3333 (312) 387-4444 (312) 387-5555 (312) 387-6000 (312) 387-7777 (312) 387-8888 (312) 387-9999