Summit Lawn is a small unincorporated village that is located in Lehigh County, Pennsylvania.
[1] The village sits on South Mountain, near Interstate 78 and Pennsylvania Route 309.
[1] It has been assigned the Allentown ZIP Code of 18103 by the United States Postal Service.
WFMZ-TV, a Lehigh Valley television station, is located here, as are the government offices of Salisbury Township.
[2] Pennsylvania Route 145 runs through Summit Lawn.