A printed copy of your (automatically generated after online payment).
Once your online application is submitted, you have to finalize the process at the specific Post Office location you selected. You must bring: buy a post office box online
: Pay for your rental using a credit or debit card. You can also opt-in for automatic renewals to ensure your service isn't interrupted. Activation and Key Pickup A printed copy of your (automatically generated after
: Enter your zip code or street address into the PO Box search tool to find nearby Post Offices with available units. buy a post office box online