CDC – Landlines have ceded role to mobile
Wireless Substitution: Early Release of Estimates From the National Health Interview Survey, January–June 2015 “Preliminary results from the January–June2015 National Health Interview Survey (NHIS) indicate that the number of American homes with only wireless telephones continues to grow. Nearly one – half of American homes (47.4 %) had only wireless telephones (also known as cellular …