NPA-NXX - 312-877
This is the 312-877 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 312-877 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 Voice over Internet Protocol (VoIP) registered to At&t Internet Services. 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 312-877 subcode.
Looking for a different number? Follow a link below to see our recently active.
541-354-7541 417-320-3776 916-504-3027 617-263-6081 937-687-9660507-884-1932 704-727-3283 714-203-6567 240-587-1876 561-324-6032