Prefix Information

The prefix 258 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-258-0000 through 312-258-9999).

Browse Numbers in This Prefix

312-258-0000-0999 312-258-1000-1999 312-258-2000-2999 312-258-3000-3999 312-258-4000-4999 312-258-5000-5999 312-258-6000-6999 312-258-7000-7999 312-258-8000-8999 312-258-9000-9999

Sample Numbers

(312) 258-0000 (312) 258-1234 (312) 258-2000 (312) 258-3333 (312) 258-4444 (312) 258-5555 (312) 258-6000 (312) 258-7777 (312) 258-8888 (312) 258-9999