Call forwarding is the answer for now, you know that google voice will help you forward to numbers to your real phone number when you open the gmail accounts with google voice activated, so in the scenerio you'll have tree stealths all together. My advice will always be that you use your real phone number on accounts with good limits and great returns in terms of money and feedback and the use the ones on account you are just trying to develope; you know what I mean.
google voice consolidation 
