Buy A Post Office Box Online -

: Enter your zip code or street address into the PO Box search tool to find nearby Post Offices with available units.

Costs vary significantly based on the box size and whether the Post Office is in a high-demand "Competitive" urban area or a "Market Dominant" rural location. Dimensions Monthly Price Range (Approx.) 5” x 5.5” $5 – $38 Size 2 (Small) 5.5” x 11” $8 – $67 Size 3 (Medium) 11” x 11” $12 – $76 Size 4 (Large) 11” x 12.5” $15 – $85 Size 5 (XL) 12” x 22.5” $21 – $115 PO Boxes Online Frequently Asked Questions buy a post office box online

Once your online application is submitted, you have to finalize the process at the specific Post Office location you selected. You must bring: : Enter your zip code or street address

: 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 You must bring: : Pay for your rental

A printed copy of your (automatically generated after online payment).

Renting a Post Office (PO) Box online is a streamlined process that allows you to reserve a secure mailing address through the USPS PO Boxes portal . While the initial application and payment are handled digitally, a one-time in-person visit is required to verify your identity and collect your keys.

: One must be a government-issued photo ID (e.g., driver’s license or passport), and the other must be traceable to your physical address (e.g., a current lease, mortgage, or voter registration card). Pricing and Sizes