thats because those communities also reciprocate that helpWapedia - Wiki: Rescue and recovery effort after the September 11 attacksIt's a good thing the WTc paid it's fire fee back in 1993... imagine how much worse that bombing could have been otherwise.
The FDNY also received assistance from fire departments in Nassau, Suffolk, Westchester County, and other neighboring jurisdictions
this area had NO fire department to do so
and there are many rural areas where they have no fire departments at all