NPA-NXX - 312-478
This is the 312-478 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 312-478 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 Cellular (Dedicated) registered to T-mobile. 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 312-478 subcode.
Looking for a different number? Follow a link below to see our recently active.
580-856-5070 252-680-3293 330-359-7774 541-749-2553 616-350-5402502-642-5520 308-391-7013 845-877-7777 513-763-5259 903-373-1519