Google Fiber may be coming to three new cities, as the company has announced it’s asked Louisville, KY, Irvine, CA, and San Diego, CA “to work with us to explore bringing Google Fiber to their communities.”

“To kick things off, we’ll work with Irvine, Louisville and San Diego to conduct a detailed study of factors that affect construction, such as local topography, housing density, and the condition of existing infrastructure. Meanwhile, cities will complete a checklist of items—such as providing a map of utility lines—that will prepare them for a large-scale fiber build,” says Jill Szuchmacher, Director, Google Fiber Expansion.

“Once we complete this planning process, we’ll determine if we can bring Google Fiber to Irvine, Louisville and San Diego. Every city is different and will move on a unique timeline, so we’ll keep in touch with residents about our progress along the way. And regardless of whether Google Fiber comes to the region, this process gives cities a head start in welcoming any gigabit provider to the area.”

Back in August, Google announced that Fiber would be coming to San Antonio, the biggest city to receive the service yet.

In January, Google announced Atlanta, Charlotte, Raleigh-Durham, and Nashville as next stops for Fiber. In March, Salt Lake City got the nod.

As of today, Fiber is up and running in Kansas City, Provo, Utah, and Austin.