Cell phone carriers are companies that provide wireless communication services to customers. They enable users to make calls, send texts, and access the internet on their mobile devices. Some well-known carriers include Verizon, AT&T, and T-Mobile. These companies operate networks that connect cell phones to each other and to the internet. Carriers offer various plans that can include different amounts of data, talk time, and text messaging. Customers can choose between prepaid and postpaid options, depending on their needs and budget. Additionally, carriers often provide devices, such as smartphones, either for purchase or through installment plans.