Arthur Center | 321 W. Promenade, Mexico, Missouri 65265 Main Offices Phone:  573.582.1234 Toll Free:  1.866.401.6661 Fax:  573.582.1212 Crisis Line:  1.800.833.2064 Youth Services  Phone:  573.581.7887 Toll Free:  1.866.581.7887 Fax:  573-581.1026   East Central Missouri Behavioral Health Services...Arthur Center