fraudelent bill on my credit

I checked my credit after applying for an apartment.  I notice charges on my credit in which were not created by me.  I am wanting to file an identity thief.  Please how I can get started. The two companies are ATT and Verizon Wireless.  
I can be reached at 404 664 2934.
Brianna Ruffin
b.ruffin@aol.com
thank you