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Doing work for a telecom provider who operates in over 25 states. They are not trying to drive traffic to their brick-and-mortar stores. They want their marketing website to show products/services/pricing dynamically when a user enters their zip code. Previously, we could not show this until the shopper was already in the purchase flow that began with their serviceable address. They want to move these location-based details more forward in the shopping experience. They would likely have a "default" zip and set of services/pricing displaying until a user changes their location. My question is how does Google treat local SEO on a site where all location-targeted content is dynamic? Will the website suffer in localized search, when a shopper, say, in Colorado, wants to search for Internet providers? Is it better to have distinct landing pages for each territory with services/pricing?