No one wants to think about their boyfriend or girlfriend, their husband or wife cheating on them, but it is a reality, however simply doing a reverse phone look-up can put your mind at ease and find out the truth before it escalates into something bigger later.
  If you are noticing that your partner is getting a lot of calls lately from a number that you do not recognize, just simply make a note of the number and save it for later when you have some private time to do some private investigating.
  Take the number and pop it into your favorite search engine such as Google or Yahoo.
  Make sure that the number includes the area code as well.
  If you are lucky enough your search will end there and you can take the information you found and use it to prove your partner's innocence or guilt.
  However, if you are not one of the lucky ones then you will need to find a good reverse number look-up service.
  These services are not in short supply online, so it is tough to wade through all of the garbage and find the ones that really work.
I would stick to a directory that is used by private investigators and security personnel, this will ensure that they have access to databases that the general public do not easily have access to.
  Why is this good? It's good because you will finally be able to find the owner of that number and put an end to all of this.