It is very common for fire/EMS dispatch to be simulcast on a digital trunked talkgroup and an analog frequency, so existing pagers can continue to be used.
We keep FTO information in our wiki - obviously it's accuracy depends on the people putting their information here and keeping it updated. We have separate areas for Canada and the US, viz..
cpd327: No, you cannot get a FTO trigger on a trunked system, as the FTO feature sits on a single frequency and trunk systems can put the tone out on any of the frequencies in the system.