Notify any company that sends you bills, magazines, or other important information, such as mortgage, financial, and insurance documents. Contact your letter carrier or the local post office about a change of address notification. Update your driver's license or DMV ID card at a local office or online at www.ncdot.org/dmv. Carteret County will send an update to the E911 system and tax office. Keep the letter that you received from Carteret County with your important papers. If you misplace it and need a copy, contact our office.