Prefix Information

The prefix 313 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-313-0000 through 312-313-9999).

Browse Numbers in This Prefix

312-313-0000-0999 312-313-1000-1999 312-313-2000-2999 312-313-3000-3999 312-313-4000-4999 312-313-5000-5999 312-313-6000-6999 312-313-7000-7999 312-313-8000-8999 312-313-9000-9999

Sample Numbers

(312) 313-0000 (312) 313-1234 (312) 313-2000 (312) 313-3333 (312) 313-4444 (312) 313-5555 (312) 313-6000 (312) 313-7777 (312) 313-8888 (312) 313-9999