unwanted call

Left no message. If received calls from  706-309-6185, 706-309-6429 and 706-309-6850
Suspect they are using spoofed numbers and just changing them when they are blocked

Caller stated he was calling on behalf  of the Afghanistan  and Iraq veterans. He asked if he could mail me a evelope  to get a donation. I told him my husband  was a veteran. He then stated a small donation of 15.00 would be find to help the veterans.Wheh I replied no ....trying to ask questions  he hung the phone up abruptly.

Caller said that he was getting donations to help veterans returning from Afghanistan to get jobs when they returned. When I ask him, " how do I know that my donation would go where it was supposed to go, since I don't know you? he said, "well, we wouldn't want to overburden you" and hung up.