Snopes.com - Urban Legends

Urban Legends Reference Pages: Computers (Google PhoneBook)
Claim: Entering a phone number into the Google search engine can produce a home address and a map with directions to that address.

Status: True.
If your number appears in the mapping database, an icon resembling a telephone will appear to left of the entry on the results page.

so I tried it using the number for Nelson City Hall, and although I did not see a phone icon, when I clicked the Maps button above the search box a map appeared. then I tried the MakTekPro number in the Google search box, and when those results came up I again clicked Maps...yup, it works
250-352-5511 - Google Search