Finding a PO Box Only a Click Away "... U.S. Postal Service Post Office Boxes now can be found online at usps.com/poboxes. The new, online locator feature allows customers to find box availability, sizes and fees, as well as addresses, phone and fax numbers for each Post Office listed with available PO Boxes. ..."
[Reference] http://www.usps.com
Linked to this post: yourpostalblog.blogspot.com