ZIP Code 19451
Mainland, Pennsylvania · Montgomery County
No8090
Zip19451
TypePO BOX
Decommissioned0
Primary CityMainland
Acceptable CitiesHarleysville
Unacceptable Cities—
StatePA
LstatePennsylvania
CountyMontgomery County
TimezoneAmerica/New_York
Area Codes215, 267, 445
World RegionNA
CountryUS
Latitude40,25
Longitude-75,36