Airport Codes

Toledo Express
IATA : TOL
IACA : KTOL

Toledo -Metcalf- Executive
IATA : TDZ
IACA : KTDZ

Detroit Metropolitan Wayne County Airport
IATA: DTW
IACA : KDTW


IATA  IACA

http://en.wikipedia.org/wiki/IATA_airport_code

http://en.wikipedia.org/wiki/International_Civil_Aviation_Organization_airport_code