谢谢 fitwxc, I searched internet got the information here

http://wiki.howardforums.com/index.php/Some_Page_Plus_FAQ%27s
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Prepaid Verizon phones are now completely banned and are no longer an option, new or used as of late January 2010. Grandfathered phones still active will be allowed to remain on Page Plus but ANY changes in plan status (swapping esns to another phone that isn't banned, switching plans to another type) will automatically be a one way ticket to the ban list.
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Also I contacted Verizon then confirmed by them:
"Therefore, you maybe able to utilize your old Verizon Wireless handset with a new mobile number and account. If you are not able to activate your handset with Page Plus, then you can always activate your account with a new mobile number with our prepaid service"

简单说:
1. 所有的verizon prepaid手机现在都不能转到page plus.
2. 旧的verizon postpaid手机一旦进入verizon prepaid计划(包括swap esn进去的)都将进入到verizon的黑名单,不能再转pageplus.