USPS Homepage

Postal Explorer > Publication 28 - Postal Addressing Standards > 2 Postal Addressing Standards > 28 Post Office Box Addresses > 282 Leading Zero

Link to "28 Post Office Box Addresses"Link to contents for "2 Postal Addressing Standards"      Link to IndexLink to "283 Designations"

282 Leading Zero

Post Office Box numbers that are preceded by significant leading zeroes are identified in the ZIP+4 file by a hyphen (–) preceding the box number. Convert the hyphen into a zero on the output mailpiece.

Convert hyphen to preceding zeros when representing significant leading zeros in the PO box number.




Link to "28 Post Office Box Addresses"Link to contents for "2 Postal Addressing Standards"      Link to IndexLink to "283 Designations"