Prefix Information

The prefix 140 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-140-0000 through 312-140-9999).

Browse Numbers in This Prefix

312-140-0000-0999 312-140-1000-1999 312-140-2000-2999 312-140-3000-3999 312-140-4000-4999 312-140-5000-5999 312-140-6000-6999 312-140-7000-7999 312-140-8000-8999 312-140-9000-9999

Sample Numbers

(312) 140-0000 (312) 140-1234 (312) 140-2000 (312) 140-3333 (312) 140-4444 (312) 140-5555 (312) 140-6000 (312) 140-7777 (312) 140-8888 (312) 140-9999