 SAN JOSE, Calif.--BUSINESS WIRE--Calix, Inc. NYSE: CALX today announced unaudited financial results for its fourth quarter 2020 have been posted as a letter to stockholders to the investor relations section of its website. Please visit the Calix investor relations website at to view the fourth quarter 2020 financial results in our letter to stockholders, along with accompanying supplemental financial information. A conference call to discuss these result 