Navient Debt Collection Complaint

Navient Debt collection department,

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

Getting calls from a finance company for some kind of debt. It is a pre recorded message from someone called General Revenue Corporation with a reference # -, I do n't owe anyone I pay my bills when they arrive. This has got to stop. Somehow they also have my cell number and I do n't give that number out