FYI:
I have been receiving unwanted calls from number I do not recognize. I usually don\'t answer them but I did it the case of 410-536-4021. There was just silence, no person responded to my greeting.
Here is the information your service has on the number.
ARBUTUS, MD
Type: LANDLINE
City, State: Halethorpe, MD
County/Parish: Baltimore
ZIP Code: 21227
Carrier: VERIZON MARYLAND, INC.
UID: e1f06e3f2958ff374e11018c9d197d63