Question: What is the 1099 filing address for Connecticut? Answer: Mail Form CT-1096 (Connecticut Annual Summary and Transmittal of Information Returns) and every copy 1 of federal Form 1099-MISC, 1099-R, or W-2G to the address below:   Department of Revenue Services State of Connecticut PO Box 5081 Hartford CT 06102-5081   For more information refer to http://1099-efile.realtaxtools.com/state/Connecticut/ Read more…