Who called from 2025808128

I received a call from the number stating he was with the irs he never mentioned my name. He stated that if I didn't return his call good luck...

Got 2 calls. First from 202-506-9705. Officer Foster. Instructed to call back & either me or my attorney to contact & if no response good luck as bad things will befall me. Second call today from 202-580-8128. Same message officer Grant. Both recordings with accents.   Call back number of 202-844-5152. Beware. Obvious scam