Call the number back from a blocked line. If you hear “The number you have dialed is not in service” or a generic voicemail, it is almost certainly a spoofed scam number.
800-530-3790 – Toll-Free Customer Service Line 800-530-3790
800-530-3790 is a toll-free phone number that has been associated with various reports of mysterious calls, hang-ups, and potential scams. The number is registered to an unknown entity, and its true purpose remains unclear. Some people claim to have received calls from this number with pre-recorded messages, while others report being called multiple times a day with no one on the other end. Call the number back from a blocked line