Prefix Information

The prefix 234 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-234-0000 through 312-234-9999).

Browse Numbers in This Prefix

312-234-0000-0999 312-234-1000-1999 312-234-2000-2999 312-234-3000-3999 312-234-4000-4999 312-234-5000-5999 312-234-6000-6999 312-234-7000-7999 312-234-8000-8999 312-234-9000-9999

Sample Numbers

(312) 234-0000 (312) 234-1234 (312) 234-2000 (312) 234-3333 (312) 234-4444 (312) 234-5555 (312) 234-6000 (312) 234-7777 (312) 234-8888 (312) 234-9999