The Trade In Dept at 8004168894 are useless. Trust me I spoke to everyone there and NOT one followed up to get those correct credits for me.
The only Dept that truly helped me was the cancellation dept. They submitted a Trade-In/Promotional Correction Request which was followed up by a text by the nice lady at Verizon Cancellation Dept telling me that the credit I was due was approved and even gave me a date of when it was to be applied.
Very poor quality control at the Trade In Dept and NEVER again will I trust trading my phone to Verizon with a 'promise' for future bill credits.