Prefix Information

The prefix 101 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-101-0000 through 312-101-9999).

Browse Numbers in This Prefix

312-101-0000-0999 312-101-1000-1999 312-101-2000-2999 312-101-3000-3999 312-101-4000-4999 312-101-5000-5999 312-101-6000-6999 312-101-7000-7999 312-101-8000-8999 312-101-9000-9999

Sample Numbers

(312) 101-0000 (312) 101-1234 (312) 101-2000 (312) 101-3333 (312) 101-4444 (312) 101-5555 (312) 101-6000 (312) 101-7777 (312) 101-8888 (312) 101-9999