Another one of a long series of spam/scam numbers from Tucson, Arizona. Many of them are 'scouting' calls to find out potentially active phone numbers that can be later targeted. Don't answer it, block it, along with all the others! Here the other numbers belonging to this spammer/scammer: 1-520-730-9357, 1-520-730-1826, 1-520-730-1431, 1-520-730-2392, 1-520-730-3020, 1-520-730-5342, 1-520-730-6228, 1-520-730-6694, 1-520-730-7941, 1-520-730-8128, 1-520-730-9336 and 1-520-730-2680.