What is the abbreviation standard that the U.S. Customs and Border Protection's travel history is following for the locations?
E.g. I see BOS = Boston; HOU = Houston; LOS = Los Angeles; SEA = Seattle; SFR = San Francisco.
Travel Stack Exchange is a question and answer site for road warriors and seasoned travelers. It only takes a minute to sign up.Sign up to join this community
This is CBP's own system. I couldn't find a list on the CBP site, but they provide the list to the State Department, which includes it in the Foreign Affairs Manual at 9 FAM 102.5-3.