First National Collection Bureau, Inc. Debt Collection Complaint

First National Collection Bureau, Inc. Debt collection department,

I do not know Cont'd attempts collect debt not owed Debt is not mine Texas

I believe First National Collection Bureau started sending letters to my home around -, 2016 for a debt of - they say I owe. First they are asking me to make - payments of $340.00. Then, they are asking me to make - payment of $86.00. Around the same time, I started receiving numerous phone calls saying nothing or asking me to stay on the line. I hung up every time I received - of these calls because I thought it was someone trying to sell something.