City

The city where the address is found.  If the address is found to be outside any municipal boundaries, the field is blank.

Florida Fire, Police, and New York Fire

The city name is not returned.

Other States

If the address is a good match (match code 0 or 1), the city is determined by plotting the address to a map which contains county boundaries.  For poor matches, the city name appearing in the source address is returned.