North Haven Maine FD - whistle then red phones then pagers

https://www.northhavenmaine.org/departments/emergency_services/fire_department.php

1939 - FD got airhorn / whistle

1960s - got red phone network - number was 867-4423

1990s - got some pagers - activated off the red phones

now - they are probably dispatched via Knox County 911 center somehow

north haven is an island off the coast of maine in the atlantic ocean