63042 Zip Code (Hazelwood, Missouri) Profile homes, apartments, schools, population,
63042 Zip Code (Hazelwood, Missouri) Profile homes, apartments, schools, population, . Hazelwood, mo 63042 hazelwood west high students/teachers: Zip code 63042 is primarily located in saint louis county. Hazelwood Missouri in Zip Code 63042 from 63042.com Louis county as well as the land area for each zip code. Key zip or click on the map. Missouri is the 21st largest state by total.