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.
812-370-4905 812-212-9329 323-736-8301 907-490-3574 650-771-6141434-736-5387 641-946-4349 310-774-2556 832-268-1957 301-391-9373