U S Government--local Taxpayer Advocate Lancaster, NY 14086 Phone : (716) 686-4850 Business Category Government Offices & Public Schools United States Government--internal Revenue Service, District Taxpayer Advocate Lancaster, NY 14086 Phone : (716) 686-4850 Business Category Government Offices-Federal Government Offices & Public Schools United States Government--internal Revenue Service, Local Taxpayer Advocate 2875 Union Rd Cheektowaga, NY 14227 Phone : (716) 686-4850 Business Category Government Offices-Federal Government Offices & Public Schools