Who called from 9722532904

called at 6:17 pm, thought it could be someone we knew since it is a dfw metroplex prefix, but when I answered they hung up

same exact thing

I did not answer.  Called back no answer. 9722539204

Hangup call.  
Caller ID has the number 9722532904, not a name.  So the number appears twice

Recd calls from 972-253-2904 in Aug 2015 and is computer robo calls with recording that does not work. Consumer listed ion state and federal DO NOT CALL lists. Got numerous calls of similar nature from "972-253-___" numbers. Numerous federal statute violations! They are issued by - owned by Verizon in NY, NY. Sent lts of complaint and bill for damages., but no effective results.