27577 is zip code located in Smithfield, North Carolina. The population is 24,664, making 27577 the largest zipcode in Smithfield and the largest in Johnston County.
There are 10 public schools in 27577 with an average Homefacts rating of C. The total crime rate for Smithfield is high , and there are 44 registered sex offenders residing in the zip code 27577. Unemployment in 27577 is moderate.