All of Riverhead Town
All of Shelter Island Town
All of Southold Town
Part of Brookhaven Town:
Whole Hamlets/Villages: NONE
Partial Hamlets/Villages: Eastport and Manorville
Part of Southampton Town:
Whole Hamlets/Villages: Eastport, Northampton, Remsenburg-Speonk, Riverside
Partial Hamlets/Villages: Flanders, Westhampton