T-Mobile US

One of three major US telco-backed advertising data platforms, differentiated by first-party carrier-grade subscriber data at scale

T-Mobile US is one of America's largest wireless carriers, serving over 100 million customers nationwide. Beyond its core telecommunications business, T-Mobile has built a significant advertising technology division — T-Mobile Advertising Solutions (formerly known as T-Mobile for Advertising) — that monetizes its unique first-party network data to help brands reach audiences with precision. The company's 2019 acquisition of PushSpring, a mobile audience data platform, significantly expanded its programmatic and mobile marketing data capabilities, enabling richer audience segmentation based on app usage, device signals, and behavioral data. T-Mobile Advertising Solutions occupies a distinctive position in the AdTech ecosystem by offering something few competitors can match: verified, consented first-party data derived directly from its wireless network. This includes location intelligence, device-level insights, and demographic signals tied to real subscriber relationships rather than probabilistic modeling. Following T-Mobile's 2020 merger with Sprint, the combined subscriber base further amplified the scale and depth of its data assets. The advertising division competes with telco-adjacent data players like Verizon Media (now Yahoo) and AT&T's Xandr, as well as broader data and identity platforms. T-Mobile Advertising Solutions offers solutions spanning audience targeting, measurement, attribution, and programmatic activation, positioning the company as a credible alternative to walled gardens for brands seeking privacy-resilient, carrier-grade audience data.