Verizon sells phones and phone plans across the United States. With stores and cell towers in every state, Verizon’s widespread reach allows customers to call, text or use data almost anywhere.

When you think of wireless carriers in the United States, Verizon is probably still one of the first names that comes to mind. But even big names aren’t immune to competition. Verizon lost ...

Verizon Communications Inc. reported a larger-than-expected decline in mobile-phone subscribers in the first quarter, the result of heavy competition and less spending by government agencies. The ...