After much delay, finally Verizon is going to allow carrier billing for Google Play from October 18th. Other major carriers in US has already enabled Carrier billing for Google Play. When service will be live users will be able to spend up to $25 per phone in the Google Play store and charge it to their Verizon account. Don’t think you’ll be able to order a Nexus 7 and pay for it through Verizon, though, as it appears that there will be a $25 monthly ceiling on Google Play charges.
All above news is created from leaked document means this is not confirmed but have 80% chances that it would be real.