Cities of Suffolk County
- B
- Babylon (6)
- Bayport (2)
- Bay Shore (5)
- Bay Wood (4)
- Bellport (1)
- Blue Point (2)
- Bohemia (1)
- Brentwood (6)
- Bridgehampton (2)
- Brightwaters (2)
- Brookhaven (2)
- C
- Calverton (1)
- Centereach (3)
- Center Moriches (1)
- Centerport (1)
- Central Islip (8)
- Cold Spring Harbor (1)
- Commack (4)
- Copiague (3)
- Coram (4)
- Cutchogue (1)
- E
- East Farmingdale (4)
- East Hampton (2)
- East Hampton North (1)
- East Islip (2)
- East Marion (1)
- East Moriches (1)
- East Northport (4)
- East Patchogue (3)
- East Setauket (1)
- East Shoreham (1)
- Elwood (4)
- H
- Halesite (3)
- Hampton Bays (2)
- Hauppauge (6)
- Holbrook (5)
- Holtsville (4)
- Huntington (4)
- Huntington Station (4)
- M
- Mastic (1)
- Mastic Beach (1)
- Mattituck (2)
- Medford (4)
- Melville (3)
- Middle Island (1)
- Miller Place (1)
- Montauk (1)
- Moriches (1)
- Mount Sinai (1)
- N
- Nesconset (3)
- Nissequogue (1)
- North Amityville (3)
- North Babylon (1)
- North Bay Shore (3)
- North Bellport (4)
- North Great River (2)
- North Lindenhurst (2)
- North Patchogue (5)
- Northport (2)
- S
- Sag Harbor (1)
- Saint James (1)
- Sayville (2)
- Selden (3)
- Setauket-East Setauket (1)
- Shinnecock Hills (1)
- Shirley (2)
- Shoreham (1)
- Smithtown (3)
- Sound Beach (1)
- Southampton (2)
- South Huntington (7)
- Southold (2)
- Stony Brook (2)
- W
- Wading River (1)
- Wainscott (1)
- Water Mill (1)
- West Babylon (2)
- West Bay Shore (1)
- West Hills (2)
- West Islip (1)
- West Sayville (1)
- Wheatley Heights (1)
- Wyandanch (4)
The number in parentheses indicates the number of routes.