AT&T and T-Mobile say they will stop selling customers' location data to 3rd-party service providers by March; Verizon says it's winding down sharing agreements
AT&T said Thursday it will stop selling its customers' location data to third-party service providers after a report this week …
Context & Ripple Effects
This closes out an eight-month unwind that began when Senator Wyden's probe forced Verizon, AT&T, T-Mobile, and Sprint to admit they were reexamining the practice of selling real-time subscriber location. Verizon moved first with a pledge to cut off data brokers like LocationSmart and Zumigo, which it said had passed the data along to roughly 75 other firms.
Now AT&T and T-Mobile have committed to a hard March deadline and Verizon says it is winding down remaining sharing agreements — and within days Sprint followed with a commitment of its own, if without a specific timeframe. The last domino falls only when all four confirm completion to the regulator.
First-order effects
- Third-party service providers and the broker layer beneath them — LocationSmart and Zumigo among them — lose their supply of carrier location data, with AT&T and T-Mobile cutting off sales outright by March and Verizon terminating existing agreements.
- The carriers forfeit whatever revenue these location-data programs generated, converting a monetization stream into a liability they are paying to exit.
Second-order effects
- Sprint's rapid follow-on announcement shows competitive dynamics working in reverse: once two carriers exit, staying in the business becomes a reputational differentiator rather than a revenue line, pressuring holdouts to match.
- Verification shifts from carrier self-reporting to the FCC, where all four carriers ultimately sent letters confirming they had stopped selling geo-location data — making regulator-attested compliance the new standard for the program's endgame.
Third-order effects
- If the pattern holds, carrier location data goes from a quietly commercialized asset to one sold only under explicit legal compulsion, with congressional probes and FCC correspondence replacing bilateral data-broker contracts as the governing mechanism.
- The broker ecosystem built on reselling carrier location feeds — the ~75 downstream firms in Verizon's disclosure — faces structural contraction unless it relocates to non-carrier data sources, a shift whose feasibility remains genuinely uncertain.
The trend: US carriers are dismantling the location-data resale business they spent years building, with congressional pressure and FCC oversight replacing commercial contracts as the control point for subscriber location.