calls from a 610-619-6021 number demanding money.

This may be a scam. Scammers are using bought/hacked loan application data to extort payments for fictitious debts from victims and victims' families and friends.
The FBI warns about payday loan extortion scams here http://www.fbi.gov/news/pressrel/press-releases/paydayloanscam_120710
The BBB has issued several alerts on this scam, just google "bbb.org alert phony debt collector"
Report to the Internet Crime Complaint Center http://www.ic3.gov/complaint/default.aspx , the Federal Communications Commission http://esupport.fcc.gov/complaints.htm , the Federal Trade Commission https://www.ftccomplaintassistant.gov/ and your state AG, as appropriate.

Call on 3/11/2011 and said his name was kenneth sledge regarding a payday loan sn said he was an investigator and call to settle  the matter out of court for cash advance and said he was with a law firm Hearshe and kemp LLC at 11 Summer street suite 3 west Buffalo NY 14209 but we had a bad connection where  i could hear him but he couldnt hear me clearly so i ask him for any information regarding this debt and he said that when i am summons to court for a felony charge that i will not be walking out so i told him that my attorney would give him a call and he said to give him my attorney number and i said my attorney will contact him because i have no ideal what he is talking about. and he said good luck and we hung up so i look up the address he gave me and the address was the same but different phone number which was 1-716-863-4868 and a voice service came on when i called so i called back and kenneth said the person that handle the cases is Noalan HillCrest so when i called back someone by the name of Johnathan Power answered and i ask to speak with Mr N HillCrest and he said he was out for lunch so i ask when will he return from lunch so he had me on hold a while then return and said he will be in court all day after lunch then i ask when is the best time to reach him he said monday morning  i ask what time  i was on hold again for awhile then he return and said he will be busy all morning too so i ask what time can i contact him he said around 1:30 pm i said ok thank  you so he wanted my information and i said i will call back and i ask what type of company this is and he said they are a mediation firm. now kenneth demanded money in the amount of 2,548.15 and i know i dont owe this so everything sounds like a scam to me as well. any new information about this company/phone number please post thank you

demanded money, payday loan scam?