Prefix Information

The prefix 291 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-291-0000 through 312-291-9999).

Browse Numbers in This Prefix

312-291-0000-0999 312-291-1000-1999 312-291-2000-2999 312-291-3000-3999 312-291-4000-4999 312-291-5000-5999 312-291-6000-6999 312-291-7000-7999 312-291-8000-8999 312-291-9000-9999

Sample Numbers

(312) 291-0000 (312) 291-1234 (312) 291-2000 (312) 291-3333 (312) 291-4444 (312) 291-5555 (312) 291-6000 (312) 291-7777 (312) 291-8888 (312) 291-9999