04103 is zip code located in Portland, Maine. The population is 30,639, making 04103 the largest zipcode in Portland and the largest in Cumberland County.
There are 10 public schools in 04103 with an average Homefacts rating of C+. The total crime rate for Portland is moderate , and there are 29 registered sex offenders residing in the zip code 04103. Unemployment in 04103 is low.