Prefix Information

The prefix 129 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-129-0000 through 312-129-9999).

Browse Numbers in This Prefix

312-129-0000-0999 312-129-1000-1999 312-129-2000-2999 312-129-3000-3999 312-129-4000-4999 312-129-5000-5999 312-129-6000-6999 312-129-7000-7999 312-129-8000-8999 312-129-9000-9999

Sample Numbers

(312) 129-0000 (312) 129-1234 (312) 129-2000 (312) 129-3333 (312) 129-4444 (312) 129-5555 (312) 129-6000 (312) 129-7777 (312) 129-8888 (312) 129-9999