Prefix Information

The prefix 830 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-830-0000 through 312-830-9999).

Browse Numbers in This Prefix

312-830-0000-0999 312-830-1000-1999 312-830-2000-2999 312-830-3000-3999 312-830-4000-4999 312-830-5000-5999 312-830-6000-6999 312-830-7000-7999 312-830-8000-8999 312-830-9000-9999

Sample Numbers

(312) 830-0000 (312) 830-1234 (312) 830-2000 (312) 830-3333 (312) 830-4444 (312) 830-5555 (312) 830-6000 (312) 830-7777 (312) 830-8888 (312) 830-9999