Prefix Information

The prefix 280 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-280-0000 through 312-280-9999).

Browse Numbers in This Prefix

312-280-0000-0999 312-280-1000-1999 312-280-2000-2999 312-280-3000-3999 312-280-4000-4999 312-280-5000-5999 312-280-6000-6999 312-280-7000-7999 312-280-8000-8999 312-280-9000-9999

Sample Numbers

(312) 280-0000 (312) 280-1234 (312) 280-2000 (312) 280-3333 (312) 280-4444 (312) 280-5555 (312) 280-6000 (312) 280-7777 (312) 280-8888 (312) 280-9999