Thank you for your inquiry about the 4G coverage in Escondido, California. Upon the review of the coverage map, the area in question currently has 3G coverage. Specific dates for specific markets (beyond the current 38 metropolitan areas and 60 commercial airports) have not been announced. Check out the 140 upcoming markets in VZWeb (or use the online 4G Coverage Locator). We're aggressively expanding to cover our entire existing nationwide 3G footprint with 4G LTE by the end of 2013. We even have an aggressive growth plan for rural areas.
The best way to keep updated on coverage and device announcements is to sign up for email updates at: http://network4g.verizonwireless.com/#/coverage