For awhile now, you've been fearing something going on. The hints are there, but you've failed to find anything definite to back your suspicions. If you want to find out whether he or she is cheating, you may want to use a reverse number lookup search. It's likely you may just be overworried.

The first item is to get ahold of their phone at a time when it will not be noticed. You should locate a time where he's away long enough for you to write down his received and dialed calls, like when he's in the shower. Stay alert and don't believe anything you may know. If your partner is cheating, the implicating numbers might be listed as the name of a friend or an inconspicuous party, names you recognize and wouldn't suspect.

To be on the safe side, you should write down every number in the phone. If you are committed to doing this, you should be as efficient as possible. If you've managed to get all the names and numbers from his phone without his knowledge, then take it to a reverse number lookup.

Upon getting to the site, all you do is enter the full phone number, and it will supply you with the needed information. The service will use the number and give you the phone's service provider, be it AT&T, Verizon, Sprint, etc. If you so desire, it can also tell you the state it's from, and the person's name.

Be sure to check every number on your list. It may astonish you to see that numbers named as John Smith on his phone might, in reality, belong to a women, even someone next to where he lives. Those who cheat take great pains to guard their secret.

You can acquire the data and track them down. Once you do, you can determine what to do about your relationship and your life. No one wants to be put in that kind of situation; in the event that you do, ensure you use a reverse number lookup to get the evidence on your side.