Prefix Information

The prefix 310 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-310-0000 through 312-310-9999).

Browse Numbers in This Prefix

312-310-0000-0999 312-310-1000-1999 312-310-2000-2999 312-310-3000-3999 312-310-4000-4999 312-310-5000-5999 312-310-6000-6999 312-310-7000-7999 312-310-8000-8999 312-310-9000-9999

Sample Numbers

(312) 310-0000 (312) 310-1234 (312) 310-2000 (312) 310-3333 (312) 310-4444 (312) 310-5555 (312) 310-6000 (312) 310-7777 (312) 310-8888 (312) 310-9999