BMO Harris Bank - Sun City West Share: Banks BMO Harris Bank - Sun City West Visit Website Request Info 19428 N. R H Johnson Blvd. Sun City West, AZ 85375 (623) 584-6828 About Map About Full service banking. Personal checking, savings, credit cards, loans and CD's. Business checking, savings, loans, lines and credit cards. Mortgages, Investments and Private Banking. What's Nearby? Distance: 5 10 15 20 25 50 mi.