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maybe this is something you can suggest to your network providers. looking at the history of cdma Xperia phones, there has been considerably less demand.. Xperia Z3v....
I agree with @nolramlb this is something that you should let your carrier, big red/Verizon, know, the more demand the higher the chances that there will be more Sony phones with your network.
\Gsm as of mow there is no scope of CDMA