Fios está actualmente disponible en las siguientes áreas metropolitanas:
Delawere: Dover, Wilmington
Maryland: Baltimore, Bethesda, Columbia, Germantown
Massachusetts: Boston, South Shore, Framingham, Taunton
New Jersey: Jersey City, Newark, Paterson, Toms River, Trenton
New York: Albany, Buffalo, New York City, Plattsaburgh, Syracuse, Long Island, Hudson Valley
Pennsylvania: Bucks Country, Delaware County, Harrisburg, Montgomery County, Philadelphia, Pittsburgh
Rhode Island: Providence, Pawtucket, South Kingstown
Virginia: Norfolk, Richmond
Washington, DC: Nationa Capital Region