Cities included in Westmoreland County: Murrysville, Greensburg, New Kensington, Lower Burrell, Jeannette, Latrobe, Monessen, Vandergrift, Arnold, Scottdale, Mount Pleasant, Level Green, Irwin, Manor, Loyalhanna, Trafford, Youngwood, West Newton, Derry, Delmont, New Stanton, Lawson Heights, South Greensburg, Southwest Greensburg, Lynnwood-Pricedale, North Belle Vernon, St. Vincent College, West Leechburg, Calumet, Fellsburg, Collinsburg, Avonmore, Norvelt, Export, North Irwin, Penn, East Vandergrift, New Florence, Yukon, Millwood, Sutersville, Bradenville, Bolivar, Smithton, Wyano, Madison, New Alexandria, Seward, Mammoth, Grapeville, Hostetter, Hunker, Youngstown, Arona, Slickville, Crabtree, Herminie, Laurel Mountain, Donegal, Adamsburg, Webster, Harrison City

Zip Codes included in Westmoreland County: 15012, 15062, 15068, 15072, 15083, 15085, 15087, 15089, 15448, 15479, 15601, 15610, 15611, 15612, 15613, 15615, 15616, 15617, 15619, 15620, 15623, 15624, 15625, 15626, 15627, 15628, 15629, 15632, 15633, 15634, 15635, 15636, 15637, 15638, 15639, 15640, 15641, 15642, 15644, 15646, 15647, 15650, 15655, 15656, 15658, 15660, 15661, 15662, 15663, 15665, 15666, 15668, 15670, 15671, 15672, 15674, 15675, 15676, 15677, 15678, 15679, 15680, 15683, 15684, 15687, 15688, 15689, 15691, 15692, 15693, 15695, 15696, 15697, 15698, 15779, 15923, 15944