search menu Contact Us Please use the following email form to contact us to ask questions or conduct routine business with the Pennington County Emergency Management Office. If you prefer to reach us by telephone, please call 605-394-2185. Our fax number is 605-394-2180. **If you have an emergency, please call 911 for assistance. This contact form is not intended for emergencies and is not monitored 24 hours a day. Official Website of Pennington County, South Dakota. All Rights Reserved. Physical Address: 130 Kansas City Street Rapid City, SD 57701 Phone: (605) 394-2174 Mailing Address: PO Box 6160 Rapid City, SD 57709-6160 Administration Office Hours: Monday - Friday 8:00 AM - 5:00 PM Site Map Contact Us Disclaimer Accessibility Government Websites by GovOffice