We have strict content policies in place and have zero tolerance when they are breached, we take action," New York-based Verizon said in a statement.
Were pausing our advertising until Facebook can create an acceptable solution that makes us comfortable."
In its own statement, Facebook executive Carolyn Everson said the company respected Verizon's decision and remains committed to purging hateful content from its services.
Other advertisers who have pledged to stay off Facebook and other company services such as Instagram include three major outdoor gear companies, Patagonia, The North Face and REI.
Common Sense, one of the boycott organizers, said other companies who have agree to pause their Facebook advertising include retailer Eddie Bauer, web browser maker Mozilla and and a movie studio, Magnolia Pictures.