Prefix Information

The prefix 328 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-328-0000 through 312-328-9999).

Browse Numbers in This Prefix

312-328-0000-0999 312-328-1000-1999 312-328-2000-2999 312-328-3000-3999 312-328-4000-4999 312-328-5000-5999 312-328-6000-6999 312-328-7000-7999 312-328-8000-8999 312-328-9000-9999

Sample Numbers

(312) 328-0000 (312) 328-1234 (312) 328-2000 (312) 328-3333 (312) 328-4444 (312) 328-5555 (312) 328-6000 (312) 328-7777 (312) 328-8888 (312) 328-9999