Verify if a phone number is cellular wireless, mobile number, or a landline home or office wire line number, a VoIP Voice over IP number..Verify Phones: Landline or Cell Phone, Carrier, Disconnected, DNC List. Lower Prices for LNP and Reachable Number services. After uploading, you will identify columns in your file and select the verification service option see below ..Validate phone numbers to determine if they are landlines or cell phones. major U.S. cell carriers, telephone companies and VOIP services including phone .
2. Reliability: Maybe you live in an area with spotty cell coverage, or perhaps your landline is a backup for when your mobile batterys. Some talkers argue that sound quality is better on a landline, and in case of power outages a landline often keeps you connected to the outside world, even in the dark..