NPA-NXX - 319-231
This is the 319-231 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 319-231 subcode mainly covers Waterloo in Black Hawk county. But other numbers maybe included as well.
We have a database of information derived from the public phone records of Iowa state. Many of the numbers in this subcode are Cellular (Dedicated) registered to U.s. Cellular. We hear they employ a large number of people in the Iowa office.
Recently there have been an increase in reported calls, we've had over 131090 comments across our systems for the 319-231 subcode.
Looking for a different number? Follow a link below to see our recently active.
909-695-1770 863-632-5038 712-335-2828 416-380-6541 725-666-2312563-607-7429 269-351-5227 276-409-9549 706-332-9766 405-278-4364