Northwest Harborcreek, Pennsylvania
Northwood, Pennsylvania
Norvelt, Pennsylvania
Norwegian, Pennsylvania
Norwich, Pennsylvania
Norwood, Pennsylvania
Nottingham, Pennsylvania
Noxen, Pennsylvania
Noyes, Pennsylvania
Nu Mine, Pennsylvania
Nuangola, Pennsylvania
Number Thirty-Seven, Pennsylvania
Numidia, Pennsylvania
Nuremberg, Pennsylvania
O'Hara, Pennsylvania
Oak Hills, Pennsylvania
Oak Ridge, Pennsylvania
Oakdale, Pennsylvania
Oakford, Pennsylvania
Oakland, Pennsylvania
Oakleigh, Pennsylvania
Oakmont, Pennsylvania
Oaks, Pennsylvania
Obelisk, Pennsylvania
Oberlin Gardens, Pennsylvania
Ogle, Pennsylvania
Ohio, Pennsylvania
Ohiopyle, Pennsylvania
Ohioville, Pennsylvania
Oil City, Pennsylvania
Oil Creek, Pennsylvania
Oilcreek, Pennsylvania
Oklahoma, Pennsylvania
Old Boston, Pennsylvania
Old Forge, Pennsylvania
Old Lycoming, Pennsylvania
Old Orchard, Pennsylvania
Old Zionsville, Pennsylvania
Oley, Pennsylvania
Oliphant Furnace, Pennsylvania
