NPA-NXX - 312-780
This is the 312-780 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 312-780 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 Verizon Business. 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 312-780 subcode.
Looking for a different number? Follow a link below to see our recently active.
559-994-7397 440-470-3797 320-302-5857 360-350-6641 209-359-1547639-314-9156 323-602-9557 561-209-1261 605-574-2369 469-742-6749