Contact the NRCGA If you are human, leave this field blank.For questions or comments about Nevada 811 or the NRCGA, please fill out the form below and click submit.Name *Email *Question or Comment *Captcha *reCAPTCHA is required.Submit Mailing Address: NRCGA PO Box 82113 Las Vegas, NV 89180 Phone: (702) 486-7214