These are temporary puerto rico phone numbers or also called puerto rico fake numbers. This means that they are only available for a short period of time. Some puerto rico phone numbers last for several months, others only a few days.
Please do not use such a puerto rico number for important text messages such as passwords, private text messages to friends or for phone verification on websites. Anyone could take over your account by reading the text messages of these puerto rico phone numbers.
If you do not live in puerto rico and still want to use a particular site or web that only accepts puerto rico users, it is necessary to have a puerto rico phone number to verify your account.
Most websites that require phone number verification have a limit on how often you can use a phone number. In this case it can happen that some of our puerto rico phone numbers are blocked. But this is not a big problem. Just use one of our other puerto rico phone numbers.