Long ago, I lived in Alamogordo, NM. My wife and I got a Christmas card from my mother, never one for details, addressed simply to "my last name, Alamo, Mexico

Long ago, I lived in Alamogordo, NM. My wife and I got a Christmas card from my mother, never one for details, addressed simply to "my last name, Alamo, Mexico" - no zip, nothing. Somehow, it got to us. I always guessed it was a small enough place at the time that the newest person with that last name was known to the postal employees.