Question: What is the 1099 filing address for New Mexico? Answer: Sign, date and mail your FORM NM CRS-1 (New Mexico Annual Summary of Withholding Tax) along with your 1099 returns to: NM Taxation and Revenue Department P.O. Box 25128 Santa Fe, NM 87504-5128   For more information refer to http://1099-efile.realtaxtools.com/state/