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