Members Oroville Mercury-Register Share: Publications Oroville Mercury-Register Visit Website Request Info P. O. Box 9 Chico, CA 95927-0009 (530) 533-3131 (530) 533-3127 (fax) Facebook About Map About Oroville's only daily newspaper, we offer insight into local news, sports, weather and more. Classified ads, special sections, display advertising and more. What's Nearby? Distance: 5 10 15 20 25 50 mi.