Coordinates: 40°17′21″N 75°15′40″W / 40.28917°N 75.26111°W
Line Lexington is an unincorporated community located in the Delaware Valley on Route 309 in Bucks and Montgomery Counties in Pennsylvania. It is split between the Bucks townships of Hilltown and New Britain and Hatfield Township in Montgomery. As a result, it is split between Pennridge School District, Central Bucks School District, and North Penn School District, respectively. While it has its own post office with the zip code of 18932, portions use the Colmar zip code of 18915, the Chalfont zip code of 18914 or the Hatfield zip code of 19440.  It is served by SEPTA bus route 132 and the nearest regional rail stations are nearby in Colmar and Chalfont. The Line Lexington telephone exchange uses area code 215.