For all of your post office needs in Clayton and the surrounding areas, come to Postal Connections, Clayton. Select from over 25 products and services guaranteed to make your life easier. Family owned since 2004, Postal Connections, Clayton, will get you in and out in five minutes while giving you just the right personal touch. We do not upsell and are staffed by service professionals. When it comes to pack and ship, we use the only the most secure packing materials and the most efficient shipping options. However, we are more than just a pack and ship operation.