City levels are determined by the county in which they are located. If the city is not named below, it may be located within a county listed below. Visit the National Association of Counties website and type the city name into the "City/Zip Search" tab to determine the city's county. If the city is not listed below or is not located in a county below, that city is a Level 1.


Level City County
3 Allentown / Easton / Bethlehem  Lehigh / Northampton
3 Bucks Bucks
4 Chester / Radnor / Essington Delaware
2 Erie Erie
4 Gettysburg Adams
4 Harrisburg Dauphin County, excluding Hershey
4 Hershey Hershey
3 Lancaster Lancaster
3 Malvern / Frazer / Berwyn Chester
4 Montgomery Montgomery
4 Philadelphia Philadelphia
2 Pittsburgh Allegheny
2 Reading Berks
3 State College Centre