Pennsylvania cities which start with the letter O.

Pennsylvania Zip Codes

PlacePlace Type2010 Population
Oak Grove
Oak Lane
Oak Park
Oak Ridge
Oakdale borough 1459
Oakford
Oakland township 1504
Oakland Mills
Oaklyn
Oakmont borough 6303
Oakryn
Oaks
Oakview
Oberlin
Observatory
Odin
Office Of Personnel Mgmt
Ogden
Ogdensburg
Ogontz Campus
Ohiopyle borough 59
Oil City city 10557
Oil Creek township 854
Okome
Olanta
Old Forge borough 8313
Old Line
Old Lycoming township 4938
Old Port
Old Zionsville
Old Zionsvlle
Oley township 3620
Oley Furnace
Oliphant Furnace
Oliveburg
Oliver township 1931
Olyphant borough 5151
Oneida township 1077
Ono
Ontelaunee township 1646
Opp
Orange township 1257
Orangeville borough 508
Orbisonia borough 428
Ore Valley
Orefield
Oregon township 781
Oregon Hill
Oreland
Oreville
Oriental
Oriole
Ormsby
Orrstown borough 262
Orrtanna
Orson
Orviston
Orwigsburg borough 3099
Orwin
Osceola township 659
Osceola Mills borough 1141
Osterburg
Oswayo township 278
Ottawa
Ottsville
Outwood
Oval
Overbrook Hills
Overbrook Hls
Oxford borough 5077
Oyster Point

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