NPA-NXX - 312-529

This is the 312-529 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

The 312-529 subcode mainly covers Chicago in Cook county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Illinois state. Many of the numbers in this subcode are Regular Landline registered to At&t. We hear they employ a large number of people in the Illinois office.
Recently there have been an increase in reported calls, we've had over 5194675 comments across our systems for the 312-529 subcode.

Looking for a different number? Follow a link below to see our recently active.

410-897-6881 520-368-4425 519-392-3934 904-672-9877 760-385-9638
917-660-7000 903-963-2239 204-366-4377 443-942-6629 864-718-5342