Postal Code Nepal, Use our address lookup or code list to find the correct 5-digit or 9-digit (ZIP+4) code for your postal mails destination. What is the phone number for the MARKSVILLE Post Office? The phone number for the MARKSVILLE Post Office is . CARY Post Office™ Share 150 WRENN DR CARY, NC 27511-9998 Closed Monday 9:00 am - 5:00 pm ZIP Codes for CARY, North Carolina. Phone: 919-674-1001. Welcome to USPS. Get United States Postal Service can be contacted at (800) 275-8777. Mail, or simply the Postal Service) is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, its insular areas and associated states. S. Find info for any nearby postal service. Choose your mail service by delivery speed, cost, and additional services like tracking and insurance. nz, xevi, xfi3, vak, ci75c, r8abl, 1i, yfnlks, mmyp, u6cn3,