37148 is zip code located in Portland, Tennessee. The population is 22,092, making 37148 the largest zipcode in Portland and the 3rd largest in Sumner County.
There are 8 public schools in 37148 with an average Homefacts rating of B-. The total crime rate for Portland is low , and there are 65 registered sex offenders residing in the zip code 37148. Unemployment in 37148 is low.