Twin Tiers Areas
- Addison
- Shrewsbury
- Troy
- Endicott
- Johnson City
- Vestal
- Conklin
- Elmira
- Big Flats
- Horseheads
- Chemung
- Watkins Glen
- Millport
- Corning
- Barton
- Waverly
- Montour Falls
- Spencer
- Candor
- Newfield
- Owego
- Ithaca
- Auburn
- Penn Yan
- Cortland
- Hammondsport
- Dryden
- Lansing
- Tioga
- Sidney
- Binghamton
- Sayre (bordering Pennsylvania)
- Schuyler County (unincorporated area)
- Hornell
- New York Mills
- Wellsboro (bordering Pennsylvania)
- Cincinnatus
- Troupsburg
- Chemung County
- Steuben County
- Broome County
- Tompkins County
- Andover
- Coudersport (bordering Pennsylvania)
- Rochester (NY part of Finger Lakes region)
- Prattsburgh
- Milo
- Bath
- Schenectady (part of regional area)
- East Smithfield (bordering Pennsylvania)