Priority Mail in the US is broken down into zones which makes for a very large range of prices that fall under the same shipping method here. As it is I just have a flat rate for all Priority Mail within the US but this can mean an overcharge or undercharge and sometimes it is for a significant amount when it is a heavy order. Is there anyway to break the US down into zones by zip code or is this just not doable?
James
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Brian
This my hopeful interpretation of what I have read anyway.