You just pre-ordered the Iphone 4 but you have Verizon wireless Can you flash it to Verizon or something to get it on Verizon?
It is not possible, due to the fact that AT&T is a type of network called GSM. It is not compatible with Verizon, a CDMA network.
What is the customer service number for Verizon Wireless (if calling from a Verizon cellphone)?
Customer ServiceDial *611 from your cell phone(800) 922-0204Monday-Sunday 6am-11pm
Is it possible to flash a Verizon prepaid phone so it can be used on a Verizon contract?
No, absolutely not, and I hear people frustrated all the time because it has to be activated on prepaid for 6 months first. It's a good deal though the illusion right now is 99.99$