True, provided that the easement document has been recorded. Such easements may be recorded as part of a plat map, a survey map, or a separate document.
Individual property deeds often include some catchall phrase like "subject of easements of record"; however, recorded easements still apply even if individual deeds don't mention them.
Franchised cable TV operators have a federal right to utilize easements recorded "for compatible uses." 47 U.S.C. 541(a)(2). The term "compatible uses" is usually construed to mean easements dedicated for electric power and/or telephone facilities.
Cable TV operators are indeed not common carriers, but that doesn't mean they don't have a legal right to use recorded easements. See my previous post on this subject at
i.e., a cable TV franchise.
If Verizon obtained a franchise that does not impose the same requirements on Verizon that it imposes on the incumbent cable TV franchisee, you can expect some litigation.
SBC's statewide franchise in Texas contains a similar exemption, and Time Warner has already field suit.
Neal McLain