Google announced on its press blog, “We are happy to share that Google Voice is beginning to open up beyond former users.”

Google Voice is a product of Google’s March 2007 acquisition of GrandCentral.

Users will receive an invitation that allows them to pick a number that can be personalized. “See if you can find a number that contains your name, a specific word or a number combination,” Google said on its blog.

The free service, announced in March, their phone numbers, letting them have a single number through Google Voice that rings a call through to all their phones.