18018 is zip code located in Bethlehem, Pennsylvania. The population is 32,833, making 18018 the 2nd largest zipcode in Bethlehem and the 5th largest in Lehigh County.
There are 8 public schools in 18018 with an average Homefacts rating of C. , and there are 1 registered sex offenders residing in the zip code 18018. Unemployment in 18018 is very high.