NPA-NXX - 312-258
This is the 312-258 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 312-258 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 312-258 subcode.
Looking for a different number? Follow a link below to see our recently active.
778-673-2785 620-623-9518 573-447-3775 813-639-1854 276-403-7145707-371-5648 661-363-1759 253-328-8172 209-744-5569 781-857-1827