Looking at the Code2High website - it is apparent that most of the
subruban Fds have their own ambulances.
Bottom line - private ambulances serve with LA County FD - all the
other Fds have their own ambulances. (makes it pretty easy to grasp)
On Wed, Aug 19, 2015 at 7:27 PM, Peter Szerlagi
http://forums.radioreference.com/greater-los-angeles-inland-areas-discussion/183241-paramedic-hospital-base-frequencies-3.html
some info on Massachusetts also
Lets see if I can explain LA County EMS is 100 words or less
Los Angeles County is subdivided into -