Toll Free Phone Number: 1-800-US-AETNA (1-800-872-3862) - Mailing Address: Aetna Inc., 151 Farmington Avenue, Hartford, CT 06156, USA More information: None Related companies: CVS|Cigna|UnitedHealth Group Inc.|Anthem Inc.|Kaiser Permanente|Humana Inc.|United Healthcare|Huntingdon Captial Co...