73065 is zip code located in Newcastle, Oklahoma. The population is 6,619, making 73065 the largest zipcode in Newcastle and the largest in Mcclain County.
There are 4 public schools in 73065 with an average Homefacts rating of A. The total crime rate for Newcastle is low , and there are 7 registered sex offenders residing in the zip code 73065. Unemployment in 73065 is low.