Type in different airport codes in the city search box...
Anything east like east or central like ABE, ABQ, ALB, ATL, ATW, AUS, BDL, BFM, BHM, etc all only have two digits after the decimal.
Meanwhile west-ish like BIL, BOI, BUR, CPR, GEG, GTF, LAS, OAK, etc all have like 5 digits past the decimal