What Is a Carrier?  

A carrier is a telecommunications service provider (TSP), that offers telecommunications circuits and service. Examples of carriers include AT&T and Verizon. Carriers may be local telephone companies or national, offering a range of telephone and internet services. Carriers are responsible for the infrastructure needed to support landline phone service.  

What Is a Mobile Carrier? 

A mobile carrier is also known as a wireless service provider.

• Provides wireless telephone services 

• Is responsible for the infrastructure and network needed for mobile or cell service 

• Is the service that texting or SMS messaging is sent through