To figure out who to send the subpoena to for cellphone records, go to NANPA Central Office Code Utilized Report. Fill in state and NPA (area code). Find your exchange (first three digits) in the third column of the chart. The company name is in the fifth column of the chart.
Often in the course of our investigation we will discover the telephone numbers of alleged witnesses to an offense. If the witnesses use cellphones, we can get a wealth of useful information about them from their cellphone records. Start with FoneFinder. If you enter the area code and exchange (first three digits after the area […]