Verizon's CO to CO connections in even the most rural area's are most likely fiber. I've worked for them in the Illinois river valley (fGTE), and trust me, it is one of the crapiest plants you will ever see, but it is still fiber linked with the exception of one town of roughly 200 residents. It was required for them to roll out DSL in rural towns.
Given the areas that Verizon is building FiOS, I seriously doubt there is no fiber infrastructure between it's central offices.
Coincidentally, FiOS does not use DSL for anything. That would defeat the point of plowing all that new fiber cable.
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Verizon's CO to CO connections in even the most rural area's are most likely fiber. I've worked for them in the Illinois river valley (fGTE), and trust me, it is one of the crapiest plants you will ever see, but it is still fiber linked with the exception of one town of roughly 200 residents. It was required for them to roll out DSL in rural towns.
Given the areas that Verizon is building FiOS, I seriously doubt there is no fiber infrastructure between it's central offices.
Coincidentally, FiOS does not use DSL for anything. That would defeat the point of plowing all that new fiber cable.