484 Area Code

Primary cities: Philadelphia Suburban, Allentown, Reading, West Chester, Bethlehem ... all cities

Cities: Allentown, Avondale, Bangor, Bath, Bernville, Bethlehem, Birdsboro, Boyertown, Catasauqua, Center Point, Chester Springs, Coatesville, Collegeville, Coopersburg, Douglassville, Downingtown, Eagle, Easton, Emmaus, Exton, Ferndale, Fleetwood, Glenmoore, Green Hills, Hamburg, Hellertown, Honey Brook, Kemblesville, Kempton, Kennett Square, Kutztown, Landenberg, Leesport, Lehighton, Lenape, Mendenhall, Mortonville, Nazareth, New Smithville, New Tripoli, Northampton, Oley, Oxford, Parkesburg, Pen Argyl, Philadelphia Suburban, Phoenixville, Pottstown, Pughtown, Reading, Riegelsville, Robesonia, Royersford, Schwenksville, Slatington, Springtown, Topton, Unionville, Upper Black Eddy, West Chester, West Grove, Westtown, Womelsdorf, Yellow House