TSA Pre? at LaGuardia Airport (LGA)
Travelers interested in registering for TSA Pre? may enroll at the LGA Precheck application site on.
TSA Pre? is an expedited screening program that allows travelers at security checkpoints where you can keep your wallet, shoes, belt, jacket, laptops and 3-1-1 compliant liquids / gels (in carry bag) at the TSA LaGuardia Airport (LGA).
TSA Pre? at LaGuardia Airport (LGA) Location, Hours
http://www.tsa.gov/tsa-precheck/tsa-precheck-how-it-works
LaGuardia Airport (LGA) TSA PreCheck Participating Airlines
AeroMexico
Air Canada
Alaska Airlines
American Airlines
Delta Air Lines
JetBlue Airways
Southwest Airlines
Spirit Airlines
United Airlines
WestJet
LaGuardia Airport (LGA) Terminal Map to TSA Security Lane
TSA PreCheck boarding pass: How to apply and add, TSA Customer Care Contact?
Check the above link for how to add a TSA PreCheck to your boarding pass, TSA Customer Care number etc