Your support is here for you Michael. I apologize for the service issue. We want to make sure that your services are working correctly. What happens when you dial out? Can you share the zip code that you are in? BobbyN_VZW
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Did it notify you that carrier settings updated after the iOS update? You may want to go to navigate to Settings > General > About, and if a carrier update is available it should prompt for an update, which should only take seconds to complete. The Carrier on that screen should be at least Verizon 27.1, I believe, though it may be up to 28 now (I haven't updated to 10.3 myself yet). Barring that, I'd try Settings > General > Reset > Reset Network Settings.