T-Mobile USA (AS21928)
T-Mobile USA (AS21928) is the backbone of the Un-carrier's nationwide network, headquartered in Bellevue, Washington and operating the largest 5G network in the United States. AS21928 hauls traffic for T-Mobile's mobile core, its fast-growing 5G fixed-wireless home and business internet service, and wholesale IoT and MVNO partners, peering broadly at major US exchanges and interconnecting in carrier hotels across the country. T-Mobile has also pushed into wireline fiber through joint ventures with EQT (Lumos) and KKR (Metronet), both closed in 2025, extending its broadband reach beyond the wireless footprint.
T-Mobile USA (AS21928) is on-net at 42 colocation facilities in the ColoMap directory.
Top metros where T-Mobile USA (AS21928) is reachable: Santa Clara, CA, US, Washington, DC, US, Chicago, IL, US, Louisville, CO, US, Newark, NJ, US.
Use the directory below to find a facility on-net with T-Mobile USA (AS21928), or request a quote tailored to your connectivity requirements.
Facilities on-net with T-Mobile USA (AS21928)
View all 42 on the map →-
DataBank HOU2 – Westway Park II
5170 Westway Park Blvd, Houston, TX, 77041, USMetro: Spring, TX, US -
DataBank HOU1 – Westway Park I
5150 Westway Park Blvd, Houston, TX, 77041, USMetro: Spring, TX, US -
200 Paul Avenue (SFO10)
200 Paul Avenue, San Francisco, CA, 94124, USMetro: Santa Clara, CA, US -
NocRoom Los Angeles Colocation
530 W 6th Street Penthouse, Los Angeles, CA, 90014, USMetro: Los Angeles, CA, US -
Equinix LA1
600 West 7th Street, Los Angeles, CA, 90017, USMetro: Los Angeles, CA, US -
Lumen Denver 3
910 15th Street, Denver, CO, 80202, USMetro: Louisville, CO, US -
Massive Networks – Denver
910 15th St, Denver, CO, 80202, USMetro: Louisville, CO, US -
Denver Gas & Electric Building
910 15th St, Denver, CO, 80202, USMetro: Louisville, CO, US -
Equinix CH2
350 E Cermak Rd, Chicago, IL, 60616, USMetro: Chicago, IL, US -
Equinix CH1
350 E Cermak Rd, Chicago, IL, 60616, USMetro: Chicago, IL, US
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