Numbers with this prefix were first introduced in 2006.While 2403453614 was originally issued with the info above, the owner of the phone number (240) 345-3614 may have transferred it through a process called porting.
Caller type: Unknown
Answered and male vice asked for Freddy Costello. Caller was told no one with that name was at this number and to please remove phone number from the caller list. Over the next 48 hours called multiple times and does not answer. Called the offending number and a male voice asked if this was Freddy Costello. I answered that no Freddy Costello was at this number and to not call again.
I could not tell if the male voice was live or a recording.