Its more likely to be convincing for a long-term situation, but it also might spark a phone call, so keep that in mind. So, scammers hide their phone numbers and use fake disconnected numbers to try and stay one step ahead of the authorities. It is harder for authorities to trace a call that appears to be coming from a disconnected number. If thats the case, youll need to register at DoNotCall.gov. Technology has made it easy for scammers to fake or spoof caller ID information, so the number youre reporting might not be the callers real number. If your number is disconnected and then reconnected, you might need to register your number again. Mike is a web developer and content writer living as a digital nomad. Message to