NPA-NXX - 312-450
This is the 312-450 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 312-450 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 At&t Mobility. 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 312-450 subcode.
Looking for a different number? Follow a link below to see our recently active.
916-741-1885 312-792-2874 978-551-2105 812-610-3639 513-377-1975303-951-2149 212-844-8839 267-347-9106 650-922-1216 212-858-4137