Mailing Address United Way of Southwest New MexicoP.O. Box 1347Las Cruces, NM 88004 Phone Number Office Number: (575)524-7561Fax Number: (575)323-3113, please call first You are invited to complete our online inquiry form: First Name Last Name Email Address Your Message CAPTCHA This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. Submit