Who called from 2037800

Call from that number today on my work phone, I answered and they hung up.

I had a missed call from them as well, no idea who they are and they didn't leave a voicemail

Had 2 missed ph calls from them aswell in whitin couple of hours!didn't left any voicemail!wondering who they are???

think its a vodafone number but dont know why they would call me as im with 3. they called today at 4.15...

Am getting several,calls a day for this number . When I answer it silent.