I dont know where it is either way as the city goes , but i do know that I deliver to , and have helped Physically build several casino's on the strip (Bellagio-caesars new addition on now,the wynn collection,New york,New york,and Paris)
They all said"Las Vegas , Nevada" on the Federal Freight Bills---BUT they had a different Zip than say, Mcarren Airport close by(cross the street or the Rio , across the freeway