NPA-NXX - 312-337
This is the 312-337 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 312-337 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 Illinois. 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 312-337 subcode.
Looking for a different number? Follow a link below to see our recently active.
815-719-6329 469-288-9804 937-228-6720 574-457-4079 606-212-2681631-325-8005 706-208-4738 352-615-7078 409-252-3859 801-350-8084