48840 is zip code located in Haslett, Michigan. The population is 12,952, making 48840 the largest zipcode in Haslett and the 4th largest in Ingham County.
There are 5 public schools in 48840 with an average Homefacts rating of A+. , and there are 16 registered sex offenders residing in the zip code 48840. Unemployment in 48840 is very high.