What is the difference between 'fire station' and 'fire department'?

Answer 1

The fire department in a city includes all the fire fighters and their stations, trucks, etc.

A fire station is one of the buildings in a fire department and all the fire fighters and trucks assigned to it.

Here is the website for Los Angeles Fire Department, which covers the entire city: http://www.lafd.org/

Here is a list of the fire stations that serve one of the zip codes in the city of Los Angeles: http://www.lafd.org/fire_stations/station_results/%2A?zipcode=90013