http://privacyy3tsy4mge4qmg4nsid2vnhl7szzupphhkfsxvayx5tl2ztbqd.onion/monero-peer-to-peer/avoid-flagging.html
This becomes a huge red flag when combined with you sending money to someone on the other side of the country. Transfer VoIP For your own privacy, avoid using numbers directly from cell towers, because this is 24/7 location tracking. But instead of using SMS resellers, buy a real phone number, and then transfer it to a VoIP provider.