About 18514 - Internal Revenue, Pennsylvania
Located in Pennsylvania, the United States is home to the small community of Internal Revenue, served by ZIP code 18514. It sits within Internal Revenue County County.
Around 6,370 people live in the 18514 ZIP code area. That's below the Pennsylvania average of about 22,902 people per ZIP code.
Median household income is about $82,900 (above the Pennsylvania average).
Nearby communities in Pennsylvania include New Castle, Philadelphia, Clearfield.