Yes the area code 202 does exist. Spoofed numbers can display what ever the scammer wants. For you reading pleasure:
https://en.wikipedia.org/wiki/List_of_North_A ... Plan_area_codes
https://en.wikipedia.org/wiki/List_of_country_calling_codes
Several calls last two days. No voicemail. Unknown user. Haven't answered in case it's a scam. If they reall want to talk to me, they can leave a message.