For advertisments, maybe. If they were interested in privacy, it wouldn't be difficult to fetch top-10,000 information for municipalities you live in. It could

For advertisments, maybe. If they were interested in privacy, it wouldn't be difficult to fetch top-10,000 information for municipalities you live in. It could pre-fetch data for future locales if it sees you have a plane ticket somewhere... just a thought. I doubt Google could provide you relevant feedback for a private phone number 2,000 miles away anyhow--that would basically be just trolling for information.