First Fuel Oil now delivers to the following cities and towns:
- Ansonia
- Bethany
- Branford
- Cheshire
- Clinton
- Derby
- Durham
- East Haven
- Guilford
- Hamden
- Higganum
- Killingworth
- Madison
- Meriden
- Middlefield
- Middletown
- Milford
- New Haven
- North Branford
- North Haven
- Northford
- Orange
- Prospect
- Rockfall
- Seymour
- Wallingford
- Woodbridge
- West Haven
