37421 is zip code located in Chattanooga, Tennessee. The population is 46,835, making 37421 the largest zipcode in Chattanooga and the largest in Hamilton County.
There are 6 public schools in 37421 with an average Homefacts rating of B-. The total crime rate for Chattanooga is very high , and there are 101 registered sex offenders residing in the zip code 37421. Unemployment in 37421 is moderate.
Zip codes within Chattanooga include 30757, 37351 and 37401.