NPA-NXX - 231-720
This is the 231-720 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 231-720 subcode mainly covers Muskegon in Muskegon county. But other numbers maybe included as well.
We have a database of information derived from the public phone records of Michigan state. Many of the numbers in this subcode are Regular Landline registered to Frontier. We hear they employ a large number of people in the Michigan office.
Recently there have been an increase in reported calls, we've had over 172188 comments across our systems for the 231-720 subcode.
Looking for a different number? Follow a link below to see our recently active.
425-999-9532 320-290-6886 203-406-5214 972-707-5157 814-726-9366832-672-6703 917-284-2254 618-657-2358 850-359-2696 615-952-3438