Prefix Information

The prefix 377 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-377-0000 through 312-377-9999).

Browse Numbers in This Prefix

312-377-0000-0999 312-377-1000-1999 312-377-2000-2999 312-377-3000-3999 312-377-4000-4999 312-377-5000-5999 312-377-6000-6999 312-377-7000-7999 312-377-8000-8999 312-377-9000-9999

Sample Numbers

(312) 377-0000 (312) 377-1234 (312) 377-2000 (312) 377-3333 (312) 377-4444 (312) 377-5555 (312) 377-6000 (312) 377-7777 (312) 377-8888 (312) 377-9999