Mailing Address For Form 1120S - Web this article will assist you with locating addresses for filing or mailing federal and state tax returns (1040, 1065, 1041, 1120,. If the corporation's principal business, office, or agency is located in: Web connecticut, delaware, district of columbia, georgia, illinois, indiana, kentucky, maine, maryland,. S corporations operating in a foreign country. Web to file form 1120s, mail the form to a specific address:
Web connecticut, delaware, district of columbia, georgia, illinois, indiana, kentucky, maine, maryland,. If the corporation's principal business, office, or agency is located in: Web this article will assist you with locating addresses for filing or mailing federal and state tax returns (1040, 1065, 1041, 1120,. Web to file form 1120s, mail the form to a specific address: S corporations operating in a foreign country.