This is a list of mobile network operators (MNOs) in the United States. The Cellular Telecommunications & Internet Association (CTIA), lists approximately 30 facilities-based wireless service providers in the United States as members. Competitive Carriers Association (CCA) has over 100 members. Aside from the facilities-based providers, there are over 50 virtual operators that use the top three networks to provide service.

Largest American wireless providers

The top five wireless telecommunications facilities-based service providers by subscriber count in the United States are: Each active SIM card is considered a subscriber. Wholesale customers include users of machine to machine networks and mobile virtual network operators that operate on the host network, but are managed by wholesale partners. Subscriber counts are sourced from each companies quarterly reports. Subscriber counts include what each companies quarterly report states, whether it be just postpaid and prepaid (as in the case of Boost Mobile and UScellular) or a combination of postpaid, prepaid and fixed-wireless access as in the case of AT&T, T-Mobile and Verizon).

Technologies used

Four of the top five wireless providers have all standardized on 4G LTE and 5G NR as their wireless communication standards, where as Boost Mobile uses only 5G NR. Of which, LTE has been deployed across their entire coverage area; however, the LTE bands used by each provider remain largely incompatible. Four of the top five carriers have enabled VoLTE and VoNR on their networks, while Boost uses strictly VoNR. AT&T, T-Mobile, Verizon, Boost Mobile, and U.S. Cellular also sell SIM cards through their retail channels, both in-store and online. The top five wireless providers operate nationwide wireless networks which cover most of the population in the United States, while smaller carriers provide native network coverage across selected regions of the United States while supplementing nationwide coverage through roaming agreements with other carriers.

Facilities-based service providers

The following tables lists service providers that own and manage their network equipment and facilities. Unless specified otherwise the subscriber count includes subscribers on the virtual networks hosted.

Active Mobile Network Operators (MNOs) in the Contiguous United States

Active Mobile Network Operators (MNOs) in Alaska and Hawaii

Active Mobile Network Operators (MNOs) in Puerto Rico and United States Virgin Islands

Active Mobile Network Operators (MNOs) in Guam and Northern Mariana Islands

Active Mobile Network Operators (MNOs) in American Samoa

Defunct, merged and acquired operators

Some operators listed below may still function as a separate brand but they no longer own any infrastructure (towers, network, etc.).