Fact-Check: Can You Truly Send an Anonymous Text Without Being Traced?
Short Message Service (SMS) is an antique protocol designed in the late 1980s. It operates inside the signaling channel of cellular networks, alongside voice routing protocols like Signaling System 7 (SS7) and modern Diameter interfaces. When someone uses a cellular phone to send a text, the handset continuously speaks with local cellular towers.
The cellular carrier creates a Call Detail Record (CDR) the second that packet leaves the device. The record captures the International Mobile Equipment Identity (IMEI), the International Mobile Subscriber Identity (IMSI) tied to the SIM card, and the exact cell tower sector that handled the exchange. Cellular handshakes allow telecom operators to triangulate a device's physical position within a radius of 50 to 300 meters without relying on handset GPS.
Major carriers like AT&T, Verizon, and T-Mobile retain these CDRs for 18 to 24 months. Even if a user never signs their name to a message, their physical device footprint attaches permanently to the carrier's ledger. The network requires that data simply to route the traffic and balance hardware loads across base stations.
