- Blue Cross Prefix List (Updated Often) – The Health Exhibit
Below are not the only known BC BS Anthem prefixes, but the only ones we’ve verified by calling their 800 number (If you can’t find what you’re looking for, try the non-verified list of prefixes ) AAU California ADE Illinois ADH Delaware ADL Ohio AET California AFB South Carolina AFV New York (Excellus) AFY Illinois [Thanks MaryBeth!]
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