Prefix Information

The prefix 703 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-703-0000 through 312-703-9999).

Browse Numbers in This Prefix

312-703-0000-0999 312-703-1000-1999 312-703-2000-2999 312-703-3000-3999 312-703-4000-4999 312-703-5000-5999 312-703-6000-6999 312-703-7000-7999 312-703-8000-8999 312-703-9000-9999

Sample Numbers

(312) 703-0000 (312) 703-1234 (312) 703-2000 (312) 703-3333 (312) 703-4444 (312) 703-5555 (312) 703-6000 (312) 703-7777 (312) 703-8888 (312) 703-9999