Zipwhip raises $51.5 million to bridge text messaging and phone calls

January 18, 2019

Landlines are ever-so-slowly going the way of the dodo, but a few holdouts remain. Almost 43 percent of U.S. households still pay for telephone service over copper wire, according to the U.S. Center for Disease Control National Health Information Survey’s most recent findings. The same goes for the nearly 200 million companies with business phone numbers in the U.S.