Since the borders for the towns more-or-less match the borders for the ambulance corps (with segments of the Thruway being among the biggest discrepancies), Orange's EMS Districts shouldn't be too difficult to plot on a map...
District 1:
(Town of Minisink, as covered by Lenape)
(Town of Deerpark and small piece of Pike County, PA, as covered by Port Jervis)
(Town of) Greenville
(Town of Mount Hope, as covered by Mobile Life Support Services)
District 2:
Town of Montgomery
(Town of) New Windsor
Town of Newburgh
(City of Newburgh, as covered by Mobile Life Support Services)
District 3:
(Town of) Cornwall
Town of Highlands
(Army Garrison at West Point, as covered by Keller Army Community Hospital)
District 4 (Town of Warwick):
Greenwood Lake
Pine Island
Warwick
EMStar (for ALS)
District 5:
(Town of) Blooming Grove
(Town of Chester, as covered by Mobile Life Support Services)
(Town of) Goshen
District 6:
(Town of) Woodbury
(Town of Palm Tree, as covered by Kiryas Joel)
(Town of) Tuxedo
(Town of) Monroe
District 7:
Town of Wallkill
(Town of Crawford, as covered by Pine Bush Area)
(City of Middletown, as covered by Mobile Life Support Services)