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1 15122? 412 West Mifflin, Allegheny County, PA
pop. 21,236
| 1 15134? 412 McKeesport, Allegheny County, PA
pop. 22,701
| 1 15233? 412? Pittsburgh, Allegheny County, PA
pop. 316,718
| 1 15801? 724? Greensburg, Westmoreland County, PA
pop. 15,569
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1 15907? 814? Johnstown, Cambria County, PA
pop. 22,539
| 1 16001? 412?,724? Butler, Butler County, PA
pop. 14,521
| 1 16108? 724? New Castle, Lawrence County, PA
pop. 25,030
| 1 16335? 814? Meadville, Crawford County, PA
pop. 13,368
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1 16365? 814? Warren, Warren County, PA
pop. 9,648
| 1 16412? 814273,415,732,734 Edinboro, Erie County, PA
pop. 6,737
| 1 16501? 814? Erie, Erie County, PA
pop. 102,612
| 1 16603? 814? Altoona, Blair County, PA
pop. 47,176
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1 16804? 814? State College, Centre County, PA
pop. 38,720
| 1 17042? 717? Lebanon, Lebanon County, PA
pop. 23,986
| 1 17105? 717? Harrisburg, Dauphin County, PA
pop. 47,472
| 1 17325? 717? Gettysburg, Adams County, PA
pop. 8,014
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1 17331? 717? Hanover, York County, PA
pop. 14,990
| 1 17405? 717? York, York County, PA
pop. 40,418
| 1 17604? 717? Lancaster, Lancaster County, PA
pop. 54,757
| 1 17701? 570? Williamsport, Lycoming County, PA
pop. 30,112
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1 18016? 484?,610? Bethlehem, Lehigh, Northampton County, PA
pop. 72,895
| 1 18042? 484?,610? Easton, Northampton County, PA
pop. 26,267
| 1 18049? 610?,484232,519 Emmaus, Lehigh County, PA
pop. 11,351
| 1 18105? 484?,610? Allentown, Lehigh County, PA
pop. 106,992
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1 18201? 570? Hazleton, Luzerne County, PA
pop. 22,125
| 1 18505? 570? Scranton, Lackawanna County, PA
pop. 73,120
| 1 18640? 570? Pittston, Luzerne County, PA
pop. 7,689
| 1 18703? 570? Wilkes Barre, Luzerne County, PA
pop. 41,337
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1 19055? 215,267 Levittown, Bucks County, PA
pop. 53,966
| 1 19063? 484,610 Media, Delaware County, PA
pop. 5,451
| 1 19104? 215?,610? Philadelphia, Bucks, Delaware, Philadelphia County, PA
pop. 1,463,281
| 1 19380? 484?,610? West Chester, Chester County, PA
pop. 18,047
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1 19403? 610,484807,912 Norristown, Montgomery County, PA
pop. 30,689
| 1 19464? 484? Pottstown, Chester, Montgomery County, PA
pop. 21,551
| 1 19612? 484?,610? Reading, Berks County, PA
pop. 80,855
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