Contact Postal Supply for Customer Support If you have any questions or concerns with your mailbox order, contact the specialists at Postal Supply. We are here to help you get the mailbox system you need to bring safe, convenient mail distribution to your community. Postal Supply proudly offers high-quality products and exceptional service to customers nationwide. Get in touch with Postal Supply for all of your centralized mailbox needs today! (919) 823-2174 [email protected] 114 Southgate Drive,Oxford, NC 27565, US Monday - Friday 9 AM - 5 PM EST Your name Please enter your name. Subject Please enter a subject. Your email Please enter a valid email. Your message Please enter a message. Send Message failed. Please try again. Thanks for your message! We’ll be in touch soon.