How Verizon, AT&T, T-Mobile, Sprint and more stacked up in Q4 2017: The top 7 carriers

The fourth quarter earnings season is over, and it's time to see who is on top. (Pixabay/Simon)

The fourth-quarter earnings season is now closed, so it's time to see how the nation's top wireless carriers stacked up against each other in terms of key metrics.

In this report you will find a ranking of the top seven U.S. wireless carriers in the fourth quarter of 2017 by subscriber base, according to research firm Strategy Analytics. You'll also find major metrics such as churn.

This list does not include resellers or MVNOs such as TracFone Wireless. (To see how TracFone did in the fourth quarter, click here.)

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Top US Wireless Carrier Metrics Q4 2017 (ranking by subscribers, retail + wholesale)
    Subscribers (millions) Net Adds (millions) Postpaid Smartphone Net Adds (mil) Blended Churn (Avg Monthly)
1 Verizon Wireless 150.457 1.590 0.647 1.23%
2 AT&T 141.567 2.741 0.597 1.38%
3 T-Mobile 72.585 1.854 0.829 2.29%
4 Sprint 53.619 0.375 0.173 2.42%
5 U.S. Cellular 5.096 0.007 0.033 1.66%
6 C Spire* n/a      
7 Shentel 0.962 0.010 0.015 2.68%

Source: Strategy Analytics, based on carrier reports

Subscribers include retail and wholesale connections of both traditional and new connected device categories (e.g. M2M). Verizon Wireless subscribers include Strategy Analytics' estimates for wholesale and connected device volumes. Sprint subscribers and net adds exclude affiliate subscribers, but include wholesale.

Blended Retail ARPU is derived from reported postpaid and prepaid retail/branded ARPU, unless reported separately by carrier.

T-Mobile postpaid smartphone net additions, blended churn and blended ARPU are estimated or derived by Strategy Analytics

*C-Spire is a private company and does not reveal its metrics, but it is estimated to have about 1 million subscribers.