Verizon review: billing charge

Oct. 25, 2008 I called to cancel the telephone and internet service. I rec'd several statements since then. I rec'd a statement dated 11/7/08 in the amt. of $53.22 (period 10/26-11/24/08) I paid that amt. I rec'd a statement date 11/25/-8 in the amt. of $52.26(period 11/19-12/18/08). I called and spoke to Ms. Thigpen in the solutions dept. #[protected]. She told me that there were no charges in the computer and gave me conf.#[protected]. I did return calls from the company to explain. I rec'd a statement dated 1/25/09 in the amt. of $82.16 that I now realize is a charge for broadband services (#[protected]). How can I owe this when it was cancelled in 10/08, and have services with another company since 10/08? I think that when the person is on the other end, they sometimes don't understand because they don't see the statements that you are talking about or maybe I didn't it explain clearly. Verizon sent this to a collection agency (The CBE Group). Pleas ehelp!