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)
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Equinix CH4
350 E Cermak Rd, Chicago, IL, 60616, USMetro: Chicago, IL, US -
Equinix DC6
21721 Filigree Court, Ashburn, VA, 20147, USMetro: Washington, DC, US -
56 Marietta Street (ATL13)
56 Marietta Street, Atlanta, GA, 30303, USMetro: Atlanta, GA, US -
One Summer St.
1 Summer Street, Boston, MA, 02110, USMetro: Waltham, MA, US -
Synoptek – San Jose Data Center
11 Great Oaks Blvd, San Jose, CA, 95119, USMetro: Santa Clara, CA, US -
IPXON Miami
50 NE 9th St, Miami, FL, 33132, USMetro: Miami, FL, US -
Hivelocity – Miami 1
50 NE 9th St, Miami, FL, 33132, USMetro: Miami, FL, US -
Equinix SE3
2020 Fifth Avenue, Seattle, WA, 98121, USMetro: Seattle, WA, US -
Equinix SE2
2001 Sixth Ave, Seattle, WA, 98121, USMetro: Seattle, WA, US -
10 Forsyth Street NW
10 Forsyth St NW, Atlanta, GA, 30303, USMetro: Atlanta, GA, US