Frequently Asked Mailbox and Mailroom Supply Questions

How many cartons is the cluster box unit shipped in?

My cluster box shipment arrived, and one of the boxes appears to be damaged - what should I do?

Is everything that I need included when I purchase a cluster box unit from U.S. Mail Supply?

I just received my cluster box unit and I cannot find the tenant keys, mounting hardware or installation instructions…what should I do?

Are all of the mailbox locks included and installed in the cluster box unit when I receive it?

Is it possible to get additional keys for the mailboxes when you buy a new cluster box unit?

What if I need more keys to my mailboxes after I have bought the cluster box unit?

Can I order more locks for the tenant doors on my cluster box unit?

Should I contact the local USPS before I install my cluster box unit?

What is a parcel locker and how does it work?

Can I change the configuration of the F-Series cluster box unit mailboxes?

Can I mount a cluster box unit on a wall instead of on a pedestal?

Can I mount a cluster box unit on a pedestal from my old mailbox, or on some other style of pedestal besides the pedestal that is sold with it?

I currently have the older style rear-loading Neighborhood Delivery & Collection Box Unit (NDCBU) and just want to replace it. Why can’t I just buy another one?

Shopping for mailboxes, mailroom accessories and supplies can be difficult. It is hard to know which options are right for you and your situation. U.S. Mail Supply not only has an extensive range of products, we also have plenty of information to help you make the best selection. Here we have compiled some of the most frequently asked questions by our customers, and there will be more to come. If you don’t find the answers you are looking for here, call us! We have a very knowledgeable and helpful staff available to help you out.

Contact U.S. Mail Supply by calling 262.782.6510 or 800.571.0147 for more information.
Make sure to choose the right mailbox

Don't worry, we can help you figure out what's best and most cost efficient for your space. A representative at U.S. Mail Supply will help you figure out what is required for USPS or private delivery, the number of units you need and any information required for installation.