NPA-NXX - 312-371

This is the 312-371 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 312-371 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 Miscellaneous registered to Sprint. 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 312-371 subcode.

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

313-416-3171 504-425-5366 405-574-7102 785-235-1186 646-604-3436
928-313-7419 732-537-7370 318-278-5691 412-812-6541 802-495-1397