Gpt and Advertisers pay a lot of money for your opinion. When you complete an offer or survey you will be asked for Phone Number. Like all people you are not willing to give your phone number to any site or you will be confused since you want to use your real phone for trials only and not for freebies. Freebies sometimes results in tons of sales calls and annoying telemarketing calls at all hours.
Instead of using fake number, getting your account blocked or even not getting approved for your offers and surveys, you can use FREE phone service or alternative phone number. This keeps the phone calls from telemarketers off your home phone, it maybe useful to use a FREE phone number as alternative to using your regular phone but some offers will not get approved so you have to choose either to use it and decrease your approval rate or if it worth to use your regular phone number and increase offers approvals.
Private Phone has ended their service, They gave a local phone number and voicemail for FREE but now it's no longer offer FREE Service so a lot of people found themselves without a phone number. Here Are Some Alternatives:
Brring Phone Number: It give you another number to give out for people to call you and direct your phone number with this number. People who call you are going to listen to an ad 5-10 seconds long before connected to you so it just forward calls to you.
Numbr offers a FREE anonymous Phone number that forwards incoming calls to your home or mobile phone.
Grand Central a NEW Phone service by Google. It allows you to get area code in your area.
Got Voice is a FREE service allows you to check messages or voicemail online, Phone and email. You can also listen to voicemail online.
K7 a FREE phone number that accept voicemails and faxes. It's the same as Got Voice you can access your messages online, via email or both. It's 100% FREE. The problem is that they give a number with a random area code.