I have received multiple calls from this number. The automated voice leaves a message, stating, "This is an important business call for, NAME HERE. This is in regards to business matters that you are conducting. Please return this call to 605-610-0358." In researching the 318 area code number, it's from Louisiana, the number that the automated message gives to call back in in South Dakota, of all places. In looking around online, I can find little information for which you don't have to pay for to obtain. I smell something rather fishy with these calls from this number, so I never answer or respond. The name that they ask for in their repeated calls doesn't live at the number they continue to call for. It's annoying and sounds suspect to me.
I got the same call but the number calling was 215-253-5740. I called back the 605-610-0358 number and let them know that there's nobody by the name they wanted at my number. They said they'd take my number off their list. I'm hoping it's not a scam, but I didn't give them my name and they were very polite, at least.