In 2013, Verizon Wireless confirmed it will finalize its LTE rollout and finally cover all its current 3G markets with blazing fast 4G. By now, Verizon is already covering most bigger metropolitan areas, so what’s left is already mostly rural areas.
The plan is to have such coverage by mid-year but if something goes wrong Verizon would then have some time to finalize its network expansion. Matching its 3G coverage areas with 4G will make the carrier the first one to achieve such widespread adoption of LTE.
source: Android Authority