NPA-NXX - 815-399
This is the 815-399 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 815-399 subcode mainly covers Rockford in Winnebago 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 295266 comments across our systems for the 815-399 subcode.
Looking for a different number? Follow a link below to see our recently active.
312-956-6074 915-356-3985 941-960-7617 614-597-5738 413-262-5611575-359-9535 770-685-4221 830-334-7026 757-369-6256 781-785-4773