# clm_4ECDF5807212

subject: T-Mobile US (/record/t-mobile-us.md)  
predicate: founded  
value: 2004  
valid_from: 2004-01-01  
valid_to: null  
published: no source on record carries a date  
recorded: 2026-11-11  
confidence: 0.95  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-11  
cite: AsOf. "T-Mobile US founded: 2004", as of 2004-01-01. Claim clm_4ECDF5807212, https://asof.is/claim/clm_4ECDF5807212, accessed 2026-11-11. Source: https://www.sec.gov/Archives/edgar/data/0001283699/000128369914000012/tmus12312013form10k.htm.  
checked: 2026-11-11 · its source page states the value and the date  

> T-Mobile US, Inc. was originally incorporated as MetroPCS Communications, Inc. (“MetroPCS”) in the State of Delaware in 2004.

What https://www.sec.gov/Archives/edgar/data/0001283699/000128369914000012/tmus12312013form10k.htm says, word for word.

## Sources

- https://www.sec.gov/Archives/edgar/data/0001283699/000128369914000012/tmus12312013form10k.htm (primary, sec.gov)

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.
