It's from a service called line2.com

People can choose numbers from any state
Example: say a person lives in Ohio they can set up a California number with line 2

Go check out the app it'll have you select a state say California it'll have almost every city and you pick a city say Los Angeles and it'll say pick a number so setting up real fake numbers to prank people. You can set it up to have calls go straight to voicemail