This is like MailDude and Maildrop for your phonenumber.
DecoyDigits lets you give out a fake phone number that actually works, without sharing your own number. No signing up. No logging in. Free.
Use it anytime you need to give out a phone number, but don't want to divulge your own information. For example:
-Filling out a registration form
-Avoiding telemarketers
-Fakey at the bar
-Entering a contest
-Contact number to give your mother-in-law
Check out all messages and incoming calls for 858-346-6430 for example.
Startup Stash
DecoyDigits